diff --git a/GridBlazor/CGrid.cs b/GridBlazor/CGrid.cs
index 777cd358..f23407cb 100644
--- a/GridBlazor/CGrid.cs
+++ b/GridBlazor/CGrid.cs
@@ -1141,13 +1141,13 @@ private async Task GetItemsDTO()
             try
             {
                 ItemsDTO<T> response;
-                if (_dataService != null)
+                if (_dataServiceAsync != null)
                 {
-                    response = _dataService((QueryDictionary<StringValues>)_query);
+                    response = await _dataServiceAsync(_query);
                 }
-                else if (_dataServiceAsync != null)
+                else if (_dataService != null)
                 {
-                    response = await _dataServiceAsync((QueryDictionary<StringValues>)_query);
+                    response = _dataService(_query);
                 }
                 else
                 {
diff --git a/GridBlazor/GridBlazor.csproj b/GridBlazor/GridBlazor.csproj
index 8fc82fe9..253ea7d1 100644
--- a/GridBlazor/GridBlazor.csproj
+++ b/GridBlazor/GridBlazor.csproj
@@ -6,7 +6,7 @@
     <LangVersion>8.0</LangVersion>
     <GenerateEmbeddedFilesManifest>True</GenerateEmbeddedFilesManifest>
     <EnableDefaultEmbeddedResourceItems>False</EnableDefaultEmbeddedResourceItems>
-    <Version>3.2.2</Version>
+    <Version>3.2.3</Version>
     <Title>GridBlazor</Title>
     <Description>Grid components for Blazor</Description>
     <Summary>Grid components for Blazor</Summary>
diff --git a/GridBlazorClientSide.Client/GridBlazorClientSide.Client.csproj b/GridBlazorClientSide.Client/GridBlazorClientSide.Client.csproj
index 57600eae..66fbe44e 100644
--- a/GridBlazorClientSide.Client/GridBlazorClientSide.Client.csproj
+++ b/GridBlazorClientSide.Client/GridBlazorClientSide.Client.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>3.2.2</Version>
+    <Version>3.2.3</Version>
     <BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData>
   </PropertyGroup>
   
diff --git a/GridBlazorClientSide.Client/Pages/ButtonCrud.razor b/GridBlazorClientSide.Client/Pages/ButtonCrud.razor
index 3b77b4af..feee37a8 100644
--- a/GridBlazorClientSide.Client/Pages/ButtonCrud.razor
+++ b/GridBlazorClientSide.Client/Pages/ButtonCrud.razor
@@ -36,7 +36,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -106,12 +106,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorClientSide.Client/Pages/Crud.razor b/GridBlazorClientSide.Client/Pages/Crud.razor
index 12bcc2eb..25f5cc13 100644
--- a/GridBlazorClientSide.Client/Pages/Crud.razor
+++ b/GridBlazorClientSide.Client/Pages/Crud.razor
@@ -36,7 +36,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -104,12 +104,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorClientSide.Client/Pages/NestedCrud.razor b/GridBlazorClientSide.Client/Pages/NestedCrud.razor
index ecea6553..feb1c583 100644
--- a/GridBlazorClientSide.Client/Pages/NestedCrud.razor
+++ b/GridBlazorClientSide.Client/Pages/NestedCrud.razor
@@ -40,7 +40,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -127,12 +127,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorClientSide.Client/Pages/NestedCrudCreateGrid.razor b/GridBlazorClientSide.Client/Pages/NestedCrudCreateGrid.razor
index d677f6d3..91ddcefc 100644
--- a/GridBlazorClientSide.Client/Pages/NestedCrudCreateGrid.razor
+++ b/GridBlazorClientSide.Client/Pages/NestedCrudCreateGrid.razor
@@ -39,7 +39,7 @@ else
     private GridComponent<Order> _gridComponent;
     private OrderDetailMemoryService _orderDetailMemoryService;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     protected override async Task OnParametersSetAsync()
     {
@@ -90,10 +90,10 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.AfterInsert += AfterInsert;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorClientSide.Server/Controllers/SampleDataController.cs b/GridBlazorClientSide.Server/Controllers/SampleDataController.cs
index 6faa9032..dc4a29df 100644
--- a/GridBlazorClientSide.Server/Controllers/SampleDataController.cs
+++ b/GridBlazorClientSide.Server/Controllers/SampleDataController.cs
@@ -24,7 +24,7 @@ public SampleDataController(NorthwindDbContext context)
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGrid()
+        public async Task<ActionResult> GetOrdersGrid()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -36,7 +36,7 @@ public ActionResult GetOrdersGrid()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
@@ -59,7 +59,7 @@ public ActionResult GetOrdersGridordersAutoGenerateColumns()
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridWithTotals()
+        public async Task<ActionResult> GetOrdersGridWithTotals()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -71,7 +71,7 @@ public ActionResult GetOrdersGridWithTotals()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
@@ -93,7 +93,7 @@ public ActionResult GetOrdersGridWithCount()
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridSearchable()
+        public async Task<ActionResult> GetOrdersGridSearchable()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -106,12 +106,12 @@ public ActionResult GetOrdersGridSearchable()
                     .Searchable(true, false, false)
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridExtSorting()
+        public async Task<ActionResult> GetOrdersGridExtSorting()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -124,12 +124,12 @@ public ActionResult GetOrdersGridExtSorting()
                     .Groupable(true)
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridGroupable()
+        public async Task<ActionResult> GetOrdersGridGroupable()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -142,7 +142,7 @@ public ActionResult GetOrdersGridGroupable()
                     .Groupable(true)
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
@@ -173,7 +173,7 @@ public ActionResult GetMinFreight(string clientName)
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridWithSubgrids()
+        public async Task<ActionResult> GetOrdersGridWithSubgrids()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -184,13 +184,13 @@ public ActionResult GetOrdersGridWithSubgrids()
                     .WithMultipleFilters()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
 
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult OrderColumnsListFilter()
+        public async Task<ActionResult> OrderColumnsListFilter()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -202,12 +202,12 @@ public ActionResult OrderColumnsListFilter()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult OrderColumnsWithEdit()
+        public async Task<ActionResult> OrderColumnsWithEdit()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -219,12 +219,12 @@ public ActionResult OrderColumnsWithEdit()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult OrderColumnsWithCrud()
+        public async Task<ActionResult> OrderColumnsWithCrud()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -236,12 +236,12 @@ public ActionResult OrderColumnsWithCrud()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult OrderColumnsWithSubgridCrud()
+        public async Task<ActionResult> OrderColumnsWithSubgridCrud()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -253,7 +253,7 @@ public ActionResult OrderColumnsWithSubgridCrud()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
@@ -279,7 +279,7 @@ public ActionResult GetOrderColumnsWithErrors()
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrdersGridAllFeatures()
+        public async Task<ActionResult> GetOrdersGridAllFeatures()
         {
             var repository = new OrdersRepository(_context);
             IGridServer<Order> server = new GridCoreServer<Order>(repository.GetAll(), Request.Query,
@@ -291,7 +291,7 @@ public ActionResult GetOrdersGridAllFeatures()
                     .Searchable(true, false)
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
 
             return Ok(items);
         }
@@ -361,7 +361,7 @@ public ActionResult GetAllProducts()
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrderDetailsGrid(int OrderId)
+        public async Task<ActionResult> GetOrderDetailsGrid(int OrderId)
         {
             var orderDetails = (new OrderDetailsRepository(_context)).GetForOrder(OrderId);
 
@@ -373,12 +373,12 @@ public ActionResult GetOrderDetailsGrid(int OrderId)
                         .WithMultipleFilters()
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrderDetailsGridWithCrud(int OrderId)
+        public async Task<ActionResult> GetOrderDetailsGridWithCrud(int OrderId)
         {
             var orderDetails = (new OrderDetailsRepository(_context)).GetForOrder(OrderId);
 
@@ -390,12 +390,12 @@ public ActionResult GetOrderDetailsGridWithCrud(int OrderId)
                         .WithMultipleFilters()
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetOrderDetailsGridAllFeatures(int OrderId)
+        public async Task<ActionResult> GetOrderDetailsGridAllFeatures(int OrderId)
         {
             var orderDetails = (new OrderDetailsRepository(_context)).GetForOrder(OrderId);
 
@@ -407,12 +407,12 @@ public ActionResult GetOrderDetailsGridAllFeatures(int OrderId)
                         .WithMultipleFilters()
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetCustomersGrid()
+        public async Task<ActionResult> GetCustomersGrid()
         {
             var repository = new CustomersRepository(_context);
             IGridServer<Customer> server = new GridCoreServer<Customer>(repository.GetAll(), Request.Query,
@@ -424,7 +424,7 @@ public ActionResult GetCustomersGrid()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
@@ -493,7 +493,7 @@ public async Task<ActionResult> Subtract1ToFreight(int id)
         }
 
         [HttpGet("[action]")]
-        public ActionResult GetEmployeesGrid()
+        public async Task<ActionResult> GetEmployeesGrid()
         {
             var repository = new EmployeeRepository(_context);
             IGridServer<Employee> server = new GridCoreServer<Employee>(repository.GetAll(), Request.Query,
@@ -505,7 +505,7 @@ public ActionResult GetEmployeesGrid()
                     .WithGridItemsCount()
                     .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
-            var items = server.ItemsToDisplay;
+            var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
             return Ok(items);
         }
 
diff --git a/GridBlazorClientSide.Server/GridBlazorClientSide.Server.csproj b/GridBlazorClientSide.Server/GridBlazorClientSide.Server.csproj
index ac0aebc2..1b539375 100644
--- a/GridBlazorClientSide.Server/GridBlazorClientSide.Server.csproj
+++ b/GridBlazorClientSide.Server/GridBlazorClientSide.Server.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <DisableImplicitComponentsAnalyzers>true</DisableImplicitComponentsAnalyzers>
-    <Version>3.0.4</Version>
+    <Version>3.2.3</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GridBlazorOData.Client/GridBlazorOData.Client.csproj b/GridBlazorOData.Client/GridBlazorOData.Client.csproj
index 95771961..9cef0f16 100644
--- a/GridBlazorOData.Client/GridBlazorOData.Client.csproj
+++ b/GridBlazorOData.Client/GridBlazorOData.Client.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>3.2.2</Version>
+    <Version>3.2.3</Version>
     <BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData>
   </PropertyGroup>
 
diff --git a/GridBlazorOData.Client/Pages/ButtonCrud.razor b/GridBlazorOData.Client/Pages/ButtonCrud.razor
index 0ddfb02a..bc98dd75 100644
--- a/GridBlazorOData.Client/Pages/ButtonCrud.razor
+++ b/GridBlazorOData.Client/Pages/ButtonCrud.razor
@@ -37,7 +37,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -129,12 +129,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorOData.Client/Pages/Crud.razor b/GridBlazorOData.Client/Pages/Crud.razor
index d4760441..c3cb93b6 100644
--- a/GridBlazorOData.Client/Pages/Crud.razor
+++ b/GridBlazorOData.Client/Pages/Crud.razor
@@ -37,7 +37,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -127,12 +127,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorOData.Client/Pages/NestedCrud.razor b/GridBlazorOData.Client/Pages/NestedCrud.razor
index 00ba7b63..e9614b6a 100644
--- a/GridBlazorOData.Client/Pages/NestedCrud.razor
+++ b/GridBlazorOData.Client/Pages/NestedCrud.razor
@@ -40,7 +40,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -220,12 +220,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorOData.Client/Pages/NestedCrudCreateGrid.razor b/GridBlazorOData.Client/Pages/NestedCrudCreateGrid.razor
index 55b41d97..d6364888 100644
--- a/GridBlazorOData.Client/Pages/NestedCrudCreateGrid.razor
+++ b/GridBlazorOData.Client/Pages/NestedCrudCreateGrid.razor
@@ -41,7 +41,7 @@ else
     private GridComponent<Order> _gridComponent;
     private OrderDetailMemoryService _orderDetailMemoryService;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     protected override async Task OnParametersSetAsync()
     {
@@ -189,10 +189,10 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.AfterInsert += AfterInsert;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/GridBlazorServerSide.csproj b/GridBlazorServerSide/GridBlazorServerSide.csproj
index 52b219f1..5f92586c 100644
--- a/GridBlazorServerSide/GridBlazorServerSide.csproj
+++ b/GridBlazorServerSide/GridBlazorServerSide.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>3.2.2</Version>
+    <Version>3.2.3</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GridBlazorServerSide/Pages/ButtonCrud.razor b/GridBlazorServerSide/Pages/ButtonCrud.razor
index 4f8a95f2..b38d7d8b 100644
--- a/GridBlazorServerSide/Pages/ButtonCrud.razor
+++ b/GridBlazorServerSide/Pages/ButtonCrud.razor
@@ -42,6 +42,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -58,7 +59,7 @@ else
 
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithCrud(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers);
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
@@ -110,11 +111,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/ChangePageSize.razor b/GridBlazorServerSide/Pages/ChangePageSize.razor
index 81eac5b7..ba3a9390 100644
--- a/GridBlazorServerSide/Pages/ChangePageSize.razor
+++ b/GridBlazorServerSide/Pages/ChangePageSize.razor
@@ -42,7 +42,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Checkbox.razor b/GridBlazorServerSide/Pages/Checkbox.razor
index 278b47d8..e89cb45b 100644
--- a/GridBlazorServerSide/Pages/Checkbox.razor
+++ b/GridBlazorServerSide/Pages/Checkbox.razor
@@ -47,7 +47,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsCheckbox, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsCheckbox, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumnsCheckbox, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Crud.razor b/GridBlazorServerSide/Pages/Crud.razor
index 44547f14..cc2a3656 100644
--- a/GridBlazorServerSide/Pages/Crud.razor
+++ b/GridBlazorServerSide/Pages/Crud.razor
@@ -42,6 +42,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -58,7 +59,7 @@ else
 
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithCrud(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers);
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
@@ -108,11 +109,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/CustomCrud.razor b/GridBlazorServerSide/Pages/CustomCrud.razor
index ee0535ec..071c9a28 100644
--- a/GridBlazorServerSide/Pages/CustomCrud.razor
+++ b/GridBlazorServerSide/Pages/CustomCrud.razor
@@ -48,7 +48,7 @@ else
 
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithCustomCrud(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers);
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/CustomerComponent.razor b/GridBlazorServerSide/Pages/CustomerComponent.razor
index a5f44c72..bcefb5fe 100644
--- a/GridBlazorServerSide/Pages/CustomerComponent.razor
+++ b/GridBlazorServerSide/Pages/CustomerComponent.razor
@@ -48,7 +48,7 @@ else
 
         var query = new QueryDictionary<StringValues>();
 
-        var client = new GridClient<Customer>(q => customerService.GetCustomersGridRows(ColumnCollections.CustomerColumns, q),
+        var client = new GridClient<Customer>(q => customerService.GetCustomersGridRowsAsync(ColumnCollections.CustomerColumns, q),
             query, false, "customersGrid", ColumnCollections.CustomerColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/EditRows.razor b/GridBlazorServerSide/Pages/EditRows.razor
index 183ce9d9..d579d227 100644
--- a/GridBlazorServerSide/Pages/EditRows.razor
+++ b/GridBlazorServerSide/Pages/EditRows.razor
@@ -64,7 +64,7 @@ else
             }
         }
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Embedded.razor b/GridBlazorServerSide/Pages/Embedded.razor
index bb8f0b10..3600d062 100644
--- a/GridBlazorServerSide/Pages/Embedded.razor
+++ b/GridBlazorServerSide/Pages/Embedded.razor
@@ -45,7 +45,7 @@ else
 
         //query.Add("grid-filter", "Customer.Country__1__usa");
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsWithButttonComponents, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsWithButttonComponents, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumnsWithButttonComponents, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/EmployeeComponent.razor b/GridBlazorServerSide/Pages/EmployeeComponent.razor
index a3a0b2b8..3bc75153 100644
--- a/GridBlazorServerSide/Pages/EmployeeComponent.razor
+++ b/GridBlazorServerSide/Pages/EmployeeComponent.razor
@@ -45,7 +45,7 @@ else
 
         var query = new QueryDictionary<StringValues>();
 
-        var client = new GridClient<Employee>(q => employeeService.GetEmployeesGridRows(ColumnCollections.EmployeeColumns, q),
+        var client = new GridClient<Employee>(q => employeeService.GetEmployeesGridRowsAsync(ColumnCollections.EmployeeColumns, q),
             query, false, "employeesGrid", ColumnCollections.EmployeeColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Excel.razor b/GridBlazorServerSide/Pages/Excel.razor
index db32d7cc..6837224f 100644
--- a/GridBlazorServerSide/Pages/Excel.razor
+++ b/GridBlazorServerSide/Pages/Excel.razor
@@ -45,7 +45,7 @@ else
 
         //query.Add("grid-filter", "Customer.Country__1__usa");
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/ExtSorting.razor b/GridBlazorServerSide/Pages/ExtSorting.razor
index def47ed8..73223d50 100644
--- a/GridBlazorServerSide/Pages/ExtSorting.razor
+++ b/GridBlazorServerSide/Pages/ExtSorting.razor
@@ -37,6 +37,7 @@ else
 {
     private CGrid<Order> _grid;
     private Task _task;
+    private bool _afterRenderExecuted = false;
 
     protected override async Task OnParametersSetAsync()
     {
@@ -44,7 +45,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsExtSorting, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsExtSorting, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumnsExtSorting, locale)
             .Sortable()
             .Filterable()
@@ -61,11 +62,12 @@ else
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             var payloads = new List<ColumnOrderValue>();
             payloads.Add(new ColumnOrderValue("Customer.CompanyName", GridSortDirection.Ascending, 1));
             await _grid.GridComponent.InitExtSorting(payloads);
+            _afterRenderExecuted = true;
         }
     }
 }
diff --git a/GridBlazorServerSide/Pages/GridSample.razor b/GridBlazorServerSide/Pages/GridSample.razor
index c308b8f3..e053540f 100644
--- a/GridBlazorServerSide/Pages/GridSample.razor
+++ b/GridBlazorServerSide/Pages/GridSample.razor
@@ -60,6 +60,7 @@ else
     private OrderIDetaillnfo _orderDetailInfo;
     private IQueryDictionary<Type> _customFilters = new QueryDictionary<Type>();
     private List<Action<object>> _rowClickActions;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string GridState { get; set; }
@@ -80,7 +81,7 @@ else
             Action<IGridColumnCollection<OrderDetail>> subGridColumns = c => ColumnCollections.OrderDetailColumnsCrud(c,
                 productService.GetAllProducts);
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -101,7 +102,7 @@ else
                 productService.GetAllProducts);
 
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .SetRowCssClasses(item => item.Quantity > 10 ? "success" : string.Empty)
                     .Sortable()
@@ -133,7 +134,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(orderColumns, q), query, false,
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(orderColumns, q), query, false,
             "ordersGrid", orderColumns, locale)
             .SetRowCssClasses(item => item.Customer.IsVip ? "success" : string.Empty)
             .Sortable()
@@ -161,7 +162,7 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             _gridComponent.PagerChanged += PagerChanged;
             _gridComponent.SortChanged += SortChanged;
@@ -170,6 +171,7 @@ else
             _gridComponent.SearchChanged += SearchChanged;
             _gridComponent.BeforeRefreshGrid += BeforeRefreshGrid;
             _gridComponent.AfterRefreshGrid += AfterRefreshGrid;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/Groupable.razor b/GridBlazorServerSide/Pages/Groupable.razor
index e32e8c4c..0ed69752 100644
--- a/GridBlazorServerSide/Pages/Groupable.razor
+++ b/GridBlazorServerSide/Pages/Groupable.razor
@@ -37,6 +37,7 @@ else
 {
     private CGrid<Order> _grid;
     private Task _task;
+    private bool _afterRenderExecuted = false;
 
     protected override async Task OnParametersSetAsync()
     {
@@ -45,7 +46,7 @@ else
 
         var query = new QueryDictionary<StringValues>();
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsGroupable(c, SetCustomerNameLabel);
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
@@ -62,12 +63,13 @@ else
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             var payloads = new List<ColumnOrderValue>();
             payloads.Add(new ColumnOrderValue("Customer.CompanyName", GridSortDirection.Ascending, 1));
             payloads.Add(new ColumnOrderValue("ShipVia", GridSortDirection.Ascending, 2));
             await _grid.GridComponent.InitGrouping(payloads);
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/HeaderCrudButtons.razor b/GridBlazorServerSide/Pages/HeaderCrudButtons.razor
index 7c3a6d16..e3009d82 100644
--- a/GridBlazorServerSide/Pages/HeaderCrudButtons.razor
+++ b/GridBlazorServerSide/Pages/HeaderCrudButtons.razor
@@ -62,7 +62,7 @@ else
             Action<IGridColumnCollection<OrderDetail>> subGridColumns = c => ColumnCollections.OrderDetailColumnsCrud(c,
                 productService.GetAllProducts);
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -83,7 +83,7 @@ else
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithNestedCrud(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers, subGrids);
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Index.razor b/GridBlazorServerSide/Pages/Index.razor
index 1e367910..35505378 100644
--- a/GridBlazorServerSide/Pages/Index.razor
+++ b/GridBlazorServerSide/Pages/Index.razor
@@ -45,7 +45,7 @@ else
 
         //query.Add("grid-filter", "Customer.Country__1__usa");
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/KeyboardNav.razor b/GridBlazorServerSide/Pages/KeyboardNav.razor
index cd9a8b7f..8f6a98c3 100644
--- a/GridBlazorServerSide/Pages/KeyboardNav.razor
+++ b/GridBlazorServerSide/Pages/KeyboardNav.razor
@@ -63,7 +63,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/ListFilter.razor b/GridBlazorServerSide/Pages/ListFilter.razor
index 8e495da0..5a34f93a 100644
--- a/GridBlazorServerSide/Pages/ListFilter.razor
+++ b/GridBlazorServerSide/Pages/ListFilter.razor
@@ -47,7 +47,7 @@ else
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections
             .OrderColumnsListFilter(c, customerService.GetAllCustomers2(), customerService.GetAllContacts(), 
                 shipperService.GetAllShippers());
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/MultipleGrids.razor b/GridBlazorServerSide/Pages/MultipleGrids.razor
index 15ac0906..67ebe9a8 100644
--- a/GridBlazorServerSide/Pages/MultipleGrids.razor
+++ b/GridBlazorServerSide/Pages/MultipleGrids.razor
@@ -84,7 +84,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var ordersClient = new GridClient<Order>(q => orderService.GetOrdersGridRows(orderColumns, q),
+        var ordersClient = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(orderColumns, q),
             ordersQuery, false, "ordersGrid", orderColumns, locale)
             .Sortable()
             .Filterable()
@@ -109,7 +109,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var customersClient = new GridClient<Customer>(q => customerService.GetCustomersGridRows(ColumnCollections.CustomersColumns, q),
+        var customersClient = new GridClient<Customer>(q => customerService.GetCustomersGridRowsAsync(ColumnCollections.CustomersColumns, q),
             customersQuery, false, "customersGrid", ColumnCollections.CustomersColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/NestedCrud.razor b/GridBlazorServerSide/Pages/NestedCrud.razor
index a688ba10..e8963198 100644
--- a/GridBlazorServerSide/Pages/NestedCrud.razor
+++ b/GridBlazorServerSide/Pages/NestedCrud.razor
@@ -44,7 +44,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -64,7 +64,7 @@ else
             Action<IGridColumnCollection<OrderDetail>> subGridColumns = c => ColumnCollections.OrderDetailColumnsCrud(c,
                 productService.GetAllProducts);
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -84,7 +84,7 @@ else
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithNestedCrud(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers, subGrids);
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
@@ -132,12 +132,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/NestedCrudCreateGrid.razor b/GridBlazorServerSide/Pages/NestedCrudCreateGrid.razor
index feb70021..6b113d23 100644
--- a/GridBlazorServerSide/Pages/NestedCrudCreateGrid.razor
+++ b/GridBlazorServerSide/Pages/NestedCrudCreateGrid.razor
@@ -42,7 +42,7 @@ else
     private GridComponent<Order> _gridComponent;
     private OrderDetailMemoryService _orderDetailMemoryService;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     protected override async Task OnParametersSetAsync()
     {
@@ -58,7 +58,7 @@ else
             var products = productService.GetAllProducts();
 
             _orderDetailMemoryService = new OrderDetailMemoryService(subGridColumns, products);
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 _orderDetailMemoryService, subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -76,7 +76,7 @@ else
         Action<IGridColumnCollection<Order>> columns = c => ColumnCollections.OrderColumnsWithCreateGrid(c,
             c => customerService.GetAllCustomers(), c => employeeService.GetAllEmployees(), shipperService.GetAllShippers, subGrids);
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(columns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(columns, q),
             query, false, "ordersGrid", columns, locale)
             .Sortable()
             .Filterable()
@@ -94,10 +94,10 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.AfterInsert += AfterInsert;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/OrderDetailsComponent.razor b/GridBlazorServerSide/Pages/OrderDetailsComponent.razor
index ddfe358e..cbe5ca62 100644
--- a/GridBlazorServerSide/Pages/OrderDetailsComponent.razor
+++ b/GridBlazorServerSide/Pages/OrderDetailsComponent.razor
@@ -48,7 +48,7 @@
 
         var query = new QueryDictionary<StringValues>();
 
-        var client = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(ColumnCollections.OrderDetailColumns,
+        var client = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(ColumnCollections.OrderDetailColumns,
             new object[] { _order.OrderID }, q), query, false, "orderDetailsGrid", ColumnCollections.OrderDetailColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/RTL.razor b/GridBlazorServerSide/Pages/RTL.razor
index 7478076c..de99530f 100644
--- a/GridBlazorServerSide/Pages/RTL.razor
+++ b/GridBlazorServerSide/Pages/RTL.razor
@@ -46,6 +46,7 @@ else
     private GridComponent<Order> _gridComponent;
     private Task _task;
     private IQueryDictionary<Type> _customFilters = new QueryDictionary<Type>();
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string GridState { get; set; }
@@ -62,7 +63,7 @@ else
             Action<IGridColumnCollection<OrderDetail>> subGridColumns = c => ColumnCollections.OrderDetailColumnsCrud(c,
                 productService.GetAllProducts);
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -83,7 +84,7 @@ else
                 productService.GetAllProducts);
 
 
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(subGridColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(subGridColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), subGridColumns, locale)
                     .SetRowCssClasses(item => item.Quantity > 10 ? "success" : string.Empty)
                     .Sortable()
@@ -115,7 +116,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(orderColumns, q), query, false,
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(orderColumns, q), query, false,
             "ordersGrid", orderColumns, locale)
             .SetRowCssClasses(item => item.Customer.IsVip ? "success" : string.Empty)
             .Sortable()
@@ -144,7 +145,7 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (firstRender)
+        if (!_afterRenderExecuted && _grid.GridComponent != null)
         {
             _gridComponent.PagerChanged += PagerChanged;
             _gridComponent.SortChanged += SortChanged;
@@ -153,6 +154,7 @@ else
             _gridComponent.SearchChanged += SearchChanged;
             _gridComponent.BeforeRefreshGrid += BeforeRefreshGrid;
             _gridComponent.AfterRefreshGrid += AfterRefreshGrid;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorServerSide/Pages/RearrangeableColumns.razor b/GridBlazorServerSide/Pages/RearrangeableColumns.razor
index 05dd4419..37a9810c 100644
--- a/GridBlazorServerSide/Pages/RearrangeableColumns.razor
+++ b/GridBlazorServerSide/Pages/RearrangeableColumns.razor
@@ -42,7 +42,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsRearrangeable, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsRearrangeable, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumnsRearrangeable, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Searchable.razor b/GridBlazorServerSide/Pages/Searchable.razor
index bda06cf6..fc0b52ea 100644
--- a/GridBlazorServerSide/Pages/Searchable.razor
+++ b/GridBlazorServerSide/Pages/Searchable.razor
@@ -43,7 +43,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Selectable.razor b/GridBlazorServerSide/Pages/Selectable.razor
index 2e64ea08..24850eee 100644
--- a/GridBlazorServerSide/Pages/Selectable.razor
+++ b/GridBlazorServerSide/Pages/Selectable.razor
@@ -64,7 +64,7 @@ else
                 // do nothing, GridState was not a valid state
             }
         }
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumns, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumns, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/SubGrid.razor b/GridBlazorServerSide/Pages/SubGrid.razor
index 1eea8666..560c4aef 100644
--- a/GridBlazorServerSide/Pages/SubGrid.razor
+++ b/GridBlazorServerSide/Pages/SubGrid.razor
@@ -46,7 +46,7 @@ else
         Func<object[], Task<ICGrid>> subGrids = async keys =>
         {
             var subGridQuery = new QueryDictionary<StringValues>();
-            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRows(ColumnCollections.OrderDetailColumns, keys, q),
+            var subGridClient = new GridClient<OrderDetail>(q => orderDetailService.GetOrderDetailsGridRowsAsync(ColumnCollections.OrderDetailColumns, keys, q),
                 subGridQuery, false, "orderDetailsGrid" + keys[0].ToString(), ColumnCollections.OrderDetailColumns, locale)
                     .Sortable()
                     .Filterable()
@@ -59,7 +59,7 @@ else
         };
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsWithSubgrids, q), query,
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsWithSubgrids, q), query,
             false, "ordersGrid", ColumnCollections.OrderColumnsWithSubgrids, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Pages/Totals.razor b/GridBlazorServerSide/Pages/Totals.razor
index c072e1e4..47c68a6c 100644
--- a/GridBlazorServerSide/Pages/Totals.razor
+++ b/GridBlazorServerSide/Pages/Totals.razor
@@ -43,7 +43,7 @@ else
         SharedResource.Culture = locale;
 
         var query = new QueryDictionary<StringValues>();
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(ColumnCollections.OrderColumnsWithTotals, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(ColumnCollections.OrderColumnsWithTotals, q),
             query, false, "ordersGrid", ColumnCollections.OrderColumnsWithTotals, locale)
             .Sortable()
             .Filterable()
diff --git a/GridBlazorServerSide/Services/CustomerService.cs b/GridBlazorServerSide/Services/CustomerService.cs
index d36e89ed..123dac70 100644
--- a/GridBlazorServerSide/Services/CustomerService.cs
+++ b/GridBlazorServerSide/Services/CustomerService.cs
@@ -63,7 +63,7 @@ public IEnumerable<SelectItem> GetAllContacts()
             }
         }
 
-        public ItemsDTO<Customer> GetCustomersGridRows(Action<IGridColumnCollection<Customer>> columns,
+        public async Task<ItemsDTO<Customer>> GetCustomersGridRowsAsync(Action<IGridColumnCollection<Customer>> columns,
             QueryDictionary<StringValues> query)
         {
             using (var context = new NorthwindDbContext(_options))
@@ -78,7 +78,7 @@ public ItemsDTO<Customer> GetCustomersGridRows(Action<IGridColumnCollection<Cust
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
                 // return items to displays
-                var items = server.ItemsToDisplay;
+                var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
                 return items;
             }
         }
@@ -151,6 +151,7 @@ public interface ICustomerService : ICrudDataService<Customer>
         IEnumerable<SelectItem> GetAllCustomers();
         IEnumerable<SelectItem> GetAllCustomers2();
         IEnumerable<SelectItem> GetAllContacts();
-        ItemsDTO<Customer> GetCustomersGridRows(Action<IGridColumnCollection<Customer>> columns, QueryDictionary<StringValues> query);
+        Task<ItemsDTO<Customer>> GetCustomersGridRowsAsync(Action<IGridColumnCollection<Customer>> columns,
+            QueryDictionary<StringValues> query);
     }
 }
diff --git a/GridBlazorServerSide/Services/EmployeeService.cs b/GridBlazorServerSide/Services/EmployeeService.cs
index 5f0173dc..050adf4e 100644
--- a/GridBlazorServerSide/Services/EmployeeService.cs
+++ b/GridBlazorServerSide/Services/EmployeeService.cs
@@ -21,7 +21,7 @@ public EmployeeService(DbContextOptions<NorthwindDbContext> options)
             _options = options;
         }
 
-        public ItemsDTO<Employee> GetEmployeesGridRows(Action<IGridColumnCollection<Employee>> columns,
+        public async Task<ItemsDTO<Employee>> GetEmployeesGridRowsAsync(Action<IGridColumnCollection<Employee>> columns,
             QueryDictionary<StringValues> query)
         {
             using (var context = new NorthwindDbContext(_options))
@@ -37,7 +37,7 @@ public ItemsDTO<Employee> GetEmployeesGridRows(Action<IGridColumnCollection<Empl
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
                 // return items to displays
-                var items = server.ItemsToDisplay;
+                var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
                 return items;
             }
         }
@@ -120,7 +120,7 @@ public async Task Delete(params object[] keys)
 
     public interface IEmployeeService : ICrudDataService<Employee>
     {
-        ItemsDTO<Employee> GetEmployeesGridRows(Action<IGridColumnCollection<Employee>> columns,
+        Task<ItemsDTO<Employee>> GetEmployeesGridRowsAsync(Action<IGridColumnCollection<Employee>> columns,
             QueryDictionary<StringValues> query);
         IEnumerable<SelectItem> GetAllEmployees();
     }
diff --git a/GridBlazorServerSide/Services/OrderDetailService.cs b/GridBlazorServerSide/Services/OrderDetailService.cs
index c83a38ed..bb0f5830 100644
--- a/GridBlazorServerSide/Services/OrderDetailService.cs
+++ b/GridBlazorServerSide/Services/OrderDetailService.cs
@@ -19,7 +19,7 @@ public OrderDetailService(DbContextOptions<NorthwindDbContext> options)
             _options = options;
         }
 
-        public ItemsDTO<OrderDetail> GetOrderDetailsGridRows(Action<IGridColumnCollection<OrderDetail>> columns,
+        public async Task<ItemsDTO<OrderDetail>> GetOrderDetailsGridRowsAsync(Action<IGridColumnCollection<OrderDetail>> columns,
             object[] keys, QueryDictionary<StringValues> query)
         {
             using (var context = new NorthwindDbContext(_options))
@@ -35,7 +35,7 @@ public ItemsDTO<OrderDetail> GetOrderDetailsGridRows(Action<IGridColumnCollectio
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
                 // return items to displays
-                var items = server.ItemsToDisplay;
+                var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
                 return items;
             }
         }
@@ -108,7 +108,7 @@ public async Task Delete(params object[] keys)
 
     public interface IOrderDetailService : ICrudDataService<OrderDetail>
     {
-        ItemsDTO<OrderDetail> GetOrderDetailsGridRows(Action<IGridColumnCollection<OrderDetail>> columns,
+        Task<ItemsDTO<OrderDetail>> GetOrderDetailsGridRowsAsync(Action<IGridColumnCollection<OrderDetail>> columns,
             object[] keys, QueryDictionary<StringValues> query);
     }
 }
diff --git a/GridBlazorServerSide/Services/OrderService.cs b/GridBlazorServerSide/Services/OrderService.cs
index e320e8db..cad60307 100644
--- a/GridBlazorServerSide/Services/OrderService.cs
+++ b/GridBlazorServerSide/Services/OrderService.cs
@@ -20,7 +20,7 @@ public OrderService(DbContextOptions<NorthwindDbContext> options)
             _options = options;
         }
 
-        public ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> columns,
+        public async Task<ItemsDTO<Order>> GetOrdersGridRowsAsync(Action<IGridColumnCollection<Order>> columns,
             QueryDictionary<StringValues> query)
         {
             using (var context = new NorthwindDbContext(_options))
@@ -37,7 +37,7 @@ public ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> co
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
                 // return items to displays
-                var items = server.ItemsToDisplay;
+                var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
 
                 // uncomment the following lines are to test null responses
                 //items = null;
@@ -300,7 +300,7 @@ public async Task Delete(params object[] keys)
 
     public interface IOrderService : ICrudDataService<Order>
     {
-        ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
+        Task<ItemsDTO<Order>> GetOrdersGridRowsAsync(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
         ItemsDTO<Order> GetOrdersGridRowsWithCount(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
         ItemsDTO<Order> GetOrdersGridRows(QueryDictionary<StringValues> query);
         ItemsDTO<Order> GetOrdersGridRowsInMemory(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
diff --git a/GridBlazorStandalone/GridBlazorStandalone.csproj b/GridBlazorStandalone/GridBlazorStandalone.csproj
index 8b8aa69c..72db4a64 100644
--- a/GridBlazorStandalone/GridBlazorStandalone.csproj
+++ b/GridBlazorStandalone/GridBlazorStandalone.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>3.2.2</Version>
+    <Version>3.2.3</Version>
     <BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData>
   </PropertyGroup>
 
diff --git a/GridBlazorStandalone/Pages/ButtonCrud.razor b/GridBlazorStandalone/Pages/ButtonCrud.razor
index 0994a3dc..30413534 100644
--- a/GridBlazorStandalone/Pages/ButtonCrud.razor
+++ b/GridBlazorStandalone/Pages/ButtonCrud.razor
@@ -38,7 +38,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -108,12 +108,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorStandalone/Pages/Crud.razor b/GridBlazorStandalone/Pages/Crud.razor
index bd5f42c8..8b646558 100644
--- a/GridBlazorStandalone/Pages/Crud.razor
+++ b/GridBlazorStandalone/Pages/Crud.razor
@@ -40,7 +40,7 @@ else
 {
     private CGrid<Order> _grid;
     private GridComponent<Order> _gridComponent;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
@@ -107,12 +107,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (!_areEventsLoaded && _gridComponent != null)
+        if (!_afterRenderExecuted && _gridComponent != null)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorStandalone/Pages/NestedCrud.razor b/GridBlazorStandalone/Pages/NestedCrud.razor
index f2720fea..e54b84cc 100644
--- a/GridBlazorStandalone/Pages/NestedCrud.razor
+++ b/GridBlazorStandalone/Pages/NestedCrud.razor
@@ -43,7 +43,7 @@ else
     private object[] _keys;
     private GridMode _mode;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -129,12 +129,12 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.BeforeInsert += BeforeInsert;
             _gridComponent.BeforeUpdate += BeforeUpdate;
             _gridComponent.BeforeDelete += BeforeDelete;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridBlazorStandalone/Pages/NestedCrudCreateGrid.razor b/GridBlazorStandalone/Pages/NestedCrudCreateGrid.razor
index 956fd816..cf8dd901 100644
--- a/GridBlazorStandalone/Pages/NestedCrudCreateGrid.razor
+++ b/GridBlazorStandalone/Pages/NestedCrudCreateGrid.razor
@@ -41,7 +41,7 @@ else
     private GridComponent<Order> _gridComponent;
     private OrderDetailMemoryService _orderDetailMemoryService;
     private Task _task;
-    private bool _areEventsLoaded = false;
+    private bool _afterRenderExecuted = false;
 
     [Parameter]
     public string OrderId { get; set; }
@@ -97,10 +97,10 @@ else
 
     protected override void OnAfterRender(bool firstRender)
     {
-        if (_gridComponent != null && !_areEventsLoaded)
+        if (_gridComponent != null && !_afterRenderExecuted)
         {
             _gridComponent.AfterInsert += AfterInsert;
-            _areEventsLoaded = true;
+            _afterRenderExecuted = true;
         }
     }
 
diff --git a/GridCore/GridBase.cs b/GridCore/GridBase.cs
index 803c17ee..6ef93c1b 100644
--- a/GridCore/GridBase.cs
+++ b/GridCore/GridBase.cs
@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace GridCore
 {
@@ -15,9 +16,9 @@ public abstract class GridBase<T>
         //processors process items after adds to main collection (sorting and paging)
         private readonly List<IGridItemsProcessor<T>> _processors = new List<IGridItemsProcessor<T>>();
         private IGridItemsProcessor<T> _totalsprocessor;
-        protected IEnumerable<T> AfterItems; //items after processors
         protected IQueryable<T> BeforeItems; //items before processors
-
+        protected IEnumerable<T> AfterItems; //items after processors
+        protected Func<IQueryable<T>, Task<IList<T>>> ToListAsync;
 
         private int _itemsCount = -1; // total items count on collection
         private bool _itemsPreProcessed; //is preprocessors launched?
@@ -97,6 +98,11 @@ public string GetRowCssClasses(object item)
         #endregion
 
         protected void PrepareItemsToDisplay()
+        {
+            PrepareItemsToDisplayAsync().Wait();
+        }
+
+        protected async Task PrepareItemsToDisplayAsync(Func<IQueryable<T>, Task<IList<T>>> toListAsync = null)
         {
             if (!_itemsProcessed)
             {
@@ -109,7 +115,10 @@ protected void PrepareItemsToDisplay()
                     else
                         itemsToProcess = processor.Process(itemsToProcess);
                 }
-                AfterItems = itemsToProcess.ToList(); //select from db (in EF case)
+                if (toListAsync == null)
+                    AfterItems = itemsToProcess.ToList();
+                else
+                    AfterItems = await toListAsync(itemsToProcess);
             }
         }
 
diff --git a/GridCore/GridCore.csproj b/GridCore/GridCore.csproj
index 758f05ec..f374e2b9 100644
--- a/GridCore/GridCore.csproj
+++ b/GridCore/GridCore.csproj
@@ -7,7 +7,7 @@
     <EnableDefaultEmbeddedResourceItems>False</EnableDefaultEmbeddedResourceItems>
     <Product>GridCore</Product>
     <PackageId>GridCore</PackageId>
-    <Version>5.2.2</Version>
+    <Version>5.2.3</Version>
     <Title>GridCore</Title>
     <Description>Grid core component</Description>
     <Summary>Grid core component</Summary>
diff --git a/GridCore/ISGrid.cs b/GridCore/ISGrid.cs
index a5025464..00efbee8 100644
--- a/GridCore/ISGrid.cs
+++ b/GridCore/ISGrid.cs
@@ -5,6 +5,8 @@
 using Microsoft.Extensions.Primitives;
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
 
 namespace GridCore
 {
@@ -14,6 +16,9 @@ public interface ISGrid<T> : ISGrid, IGrid<T>
 
         void SetRowCssClassesContraint(Func<T, string> contraint);
         IEnumerable<T> GetItemsToDisplay();
+        Task<IEnumerable<T>> GetItemsToDisplayAsync(Func<IQueryable<T>, Task<IList<T>>> toListAsync);
+
+        void SetToListAsyncFunc(Func<IQueryable<T>, Task<IList<T>>> toListAsync);
     }
 
     public interface ISGrid : IGrid, IGridOptions
@@ -50,10 +55,16 @@ public interface ISGrid : IGrid, IGridOptions
 
         void AutoGenerateColumns();
 
+        Task<IEnumerable<object>> GetItemsToDisplayAsync();
+
         /// <summary>
-        ///     Get column values to display
+        ///     Displaying grid items count
         /// </summary>
+        Task<int> GetDisplayingItemsCountAsync();
 
+        /// <summary>
+        ///     Get column values to display
+        /// </summary>
         IList<object> GetValuesToDisplay(string columnName, IEnumerable<object> items);
     }
 }
\ No newline at end of file
diff --git a/GridCore/SGridCore.cs b/GridCore/SGridCore.cs
index 14412ca9..d6a7ac1e 100644
--- a/GridCore/SGridCore.cs
+++ b/GridCore/SGridCore.cs
@@ -19,6 +19,7 @@
 using System.Linq;
 using System.Reflection;
 using System.Text.Json;
+using System.Threading.Tasks;
 
 namespace GridCore
 {
@@ -172,6 +173,37 @@ public IEnumerable<object> ItemsToDisplay
         {
             get { return (IEnumerable<object>)GetItemsToDisplay(); }
         }
+        public virtual IEnumerable<T> GetItemsToDisplay()
+        {
+            PrepareItemsToDisplay();
+            return AfterItems;
+        }
+
+        /// <summary>
+        ///     Methods returns items that will need to be displayed
+        /// </summary>
+        public virtual void SetToListAsyncFunc(Func<IQueryable<T>, Task<IList<T>>> toListAsync)
+        {
+            ToListAsync = toListAsync;
+        }
+
+        /// <summary>
+        ///     Methods returns items that will need to be displayed
+        /// </summary>
+        public virtual async Task<IEnumerable<T>> GetItemsToDisplayAsync(Func<IQueryable<T>, Task<IList<T>>> toListAsync)
+        {
+            SetToListAsyncFunc(toListAsync);
+            return (IEnumerable<T>)await GetItemsToDisplayAsync();
+        }
+
+        /// <summary>
+        ///     Methods returns items that will need to be displayed
+        /// </summary>
+        public virtual async Task<IEnumerable<object>> GetItemsToDisplayAsync()
+        {
+            await PrepareItemsToDisplayAsync(ToListAsync);
+            return (IEnumerable<object>)AfterItems;
+        }
 
         /// <summary>
         ///     Provides query, using by the grid
@@ -194,6 +226,17 @@ public virtual int DisplayingItemsCount
             }
         }
 
+        /// <summary>
+        ///     Count of current displaying items
+        /// </summary>
+        public virtual async Task<int> GetDisplayingItemsCountAsync()
+        {
+            if (_displayingItemsCount >= 0)
+                return _displayingItemsCount;
+            _displayingItemsCount = (await GetItemsToDisplayAsync()).Count();
+            return _displayingItemsCount;
+        }
+
         /// <summary>
         ///     Enable or disable paging for the grid
         /// </summary>
@@ -341,15 +384,6 @@ protected internal void ApplyGridSettings()
             }
         }
 
-        /// <summary>
-        ///     Methods returns items that will need to be displayed
-        /// </summary>
-        public virtual IEnumerable<T> GetItemsToDisplay()
-        {
-            PrepareItemsToDisplay();
-            return AfterItems;
-        }
-
         /// <summary>
         ///     Generates columns for all properties of the model
         /// </summary>
diff --git a/GridCore/Server/GridCoreServer.cs b/GridCore/Server/GridCoreServer.cs
index 0adc5e5e..eafd3496 100644
--- a/GridCore/Server/GridCoreServer.cs
+++ b/GridCore/Server/GridCoreServer.cs
@@ -8,7 +8,9 @@
 using Microsoft.Extensions.Primitives;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
+using System.Threading.Tasks;
 
 namespace GridCore.Server
 
@@ -310,6 +312,12 @@ public IGridServer<T> SetRemoveDiacritics<R>(string methodName)
             return this;
         }
 
+        public IGridServer<T> SetToListAsyncFunc(Func<IQueryable<T>, Task<IList<T>>> toListAsync)
+        {
+            _source.SetToListAsyncFunc(toListAsync);
+            return this;
+        }
+
         /// <summary>
         ///     Items, displaying in the grid view
         /// </summary>
@@ -323,6 +331,14 @@ public ItemsDTO<T> ItemsToDisplay
             }
         }
 
+        public async Task<ItemsDTO<T>> GetItemsToDisplayAsync(Func<IQueryable<T>, Task<IList<T>>> toListAsync)
+        {
+            var items = await _source.GetItemsToDisplayAsync(toListAsync);
+            var totals = _source.GetTotals();
+            return new ItemsDTO<T>(items, totals, new PagerDTO(_source.EnablePaging, _source.Pager.PageSize,
+                _source.Pager.CurrentPage, _source.ItemsCount));
+        }
+
         /// <summary>
         ///      Grid object
         /// </summary>
diff --git a/GridCore/Server/IGridServer.cs b/GridCore/Server/IGridServer.cs
index 536243ee..b7ea5c68 100644
--- a/GridCore/Server/IGridServer.cs
+++ b/GridCore/Server/IGridServer.cs
@@ -1,7 +1,9 @@
 using GridShared;
 using GridShared.Utility;
 using System;
-using System.Reflection;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
 
 namespace GridCore.Server
 {
@@ -192,11 +194,15 @@ public interface IGridServer<T>
         /// </summary>
         IGridServer<T> SetRemoveDiacritics<R>(string methodName);
 
+        IGridServer<T> SetToListAsyncFunc(Func<IQueryable<T>, Task<IList<T>>> toListAsync);
+
         /// <summary>
         ///     Items, displaying in the grid view
         /// </summary>
         ItemsDTO<T> ItemsToDisplay { get; }
 
+        Task<ItemsDTO<T>> GetItemsToDisplayAsync(Func<IQueryable<T>, Task<IList<T>>> toListAsync);
+
         /// <summary>
         ///     Grid object
         /// </summary>
diff --git a/GridMvc.Demo/BlazorComponents/OrdersComponent.razor b/GridMvc.Demo/BlazorComponents/OrdersComponent.razor
index f6d21d2c..6fa67c48 100644
--- a/GridMvc.Demo/BlazorComponents/OrdersComponent.razor
+++ b/GridMvc.Demo/BlazorComponents/OrdersComponent.razor
@@ -118,7 +118,7 @@ else
             c.Add(o => o.OrderDetails.Count).Titled("Details").SetCrudHidden(true);
         };
 
-        var client = new GridClient<Order>(q => orderService.GetOrdersGridRows(orderColumns, q),
+        var client = new GridClient<Order>(q => orderService.GetOrdersGridRowsAsync(orderColumns, q),
             query, false, "ordersGrid", orderColumns, locale)
             .SetRowCssClasses(item => item.Customer.IsVip ? "success" : string.Empty)
             .Sortable()
diff --git a/GridMvc.Demo/Controllers/HomeController.cs b/GridMvc.Demo/Controllers/HomeController.cs
index 223a4abf..65caf282 100644
--- a/GridMvc.Demo/Controllers/HomeController.cs
+++ b/GridMvc.Demo/Controllers/HomeController.cs
@@ -142,7 +142,8 @@ public ActionResult Index(string gridState = "")
                 .SetStriped(true)
                 .ChangePageSize(true)
                 .WithGridItemsCount()
-                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
+                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics")
+                .SetToListAsyncFunc(async x => await x.ToListAsync());
 
             return View(server.Grid);
         }
@@ -601,7 +602,8 @@ public ActionResult Images()
                 .SetStriped(true)
                 .ChangePageSize(true)
                 .WithGridItemsCount()
-                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
+                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics")
+                .SetToListAsyncFunc(async x => await x.ToListAsync());
 
             return View(server.Grid);
         }
diff --git a/GridMvc.Demo/GridMvc.Demo.csproj b/GridMvc.Demo/GridMvc.Demo.csproj
index 61640a74..ed74e3dc 100644
--- a/GridMvc.Demo/GridMvc.Demo.csproj
+++ b/GridMvc.Demo/GridMvc.Demo.csproj
@@ -5,7 +5,7 @@
     <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
     <TypeScriptToolsVersion>3.1</TypeScriptToolsVersion>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
-    <Version>5.2.2</Version>
+    <Version>5.2.3</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GridMvc.Demo/Pages/GridPage.cshtml.cs b/GridMvc.Demo/Pages/GridPage.cshtml.cs
index 0793d50d..78b5b987 100644
--- a/GridMvc.Demo/Pages/GridPage.cshtml.cs
+++ b/GridMvc.Demo/Pages/GridPage.cshtml.cs
@@ -12,6 +12,7 @@
 using Microsoft.AspNetCore.Localization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Linq;
 
@@ -133,7 +134,8 @@ public IActionResult OnGet(string gridState = "")
                 .ChangePageSize(true)
                 .WithGridItemsCount()
                 .SetTableLayout(TableLayout.Fixed, "1000px", "400px")
-                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
+                .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics")
+                .SetToListAsyncFunc(async x => await x.ToListAsync());
 
             Grid = server.Grid;
 
diff --git a/GridMvc.Demo/Services/OrderService.cs b/GridMvc.Demo/Services/OrderService.cs
index 92b45d74..79503aa1 100644
--- a/GridMvc.Demo/Services/OrderService.cs
+++ b/GridMvc.Demo/Services/OrderService.cs
@@ -19,7 +19,7 @@ public OrderService(DbContextOptions<NorthwindDbContext> options)
             _options = options;
         }
 
-        public ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> columns,
+        public async Task<ItemsDTO<Order>> GetOrdersGridRowsAsync(Action<IGridColumnCollection<Order>> columns,
             QueryDictionary<StringValues> query)
         {
             using (var context = new NorthwindDbContext(_options))
@@ -36,7 +36,7 @@ public ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> co
                         .SetRemoveDiacritics<NorthwindDbContext>("RemoveDiacritics");
 
                 // return items to displays
-                var items = server.ItemsToDisplay;
+                var items = await server.GetItemsToDisplayAsync(async x => await x.ToListAsync());
                 return items;
             }
         }
@@ -86,6 +86,6 @@ public async Task Delete(params object[] keys)
 
     public interface IOrderService : ICrudDataService<Order>
     {
-        ItemsDTO<Order> GetOrdersGridRows(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
+        Task<ItemsDTO<Order>> GetOrdersGridRowsAsync(Action<IGridColumnCollection<Order>> columns, QueryDictionary<StringValues> query);
     }
 }
diff --git a/GridMvc/GridMvc.csproj b/GridMvc/GridMvc.csproj
index ebfe3db3..27e5a2ae 100644
--- a/GridMvc/GridMvc.csproj
+++ b/GridMvc/GridMvc.csproj
@@ -8,7 +8,7 @@
     <EnableDefaultEmbeddedResourceItems>False</EnableDefaultEmbeddedResourceItems>
     <Product>GridMvc</Product>
     <PackageId>GridMvcCore</PackageId>
-    <Version>5.2.2</Version>
+    <Version>5.2.3</Version>
     <Title>GridMvc</Title>
     <Description>ASP.NET MVC Grid component</Description>
     <Summary>ASP.NET MVC Grid component</Summary>
diff --git a/GridMvc/Views/Shared/_GridBody.cshtml b/GridMvc/Views/Shared/_GridBody.cshtml
index 0058aba2..0bb1dd26 100644
--- a/GridMvc/Views/Shared/_GridBody.cshtml
+++ b/GridMvc/Views/Shared/_GridBody.cshtml
@@ -14,7 +14,7 @@
                   || firstColumn.IsMaxEnabled || firstColumn.IsMinEnabled);
 }
 
-@if (Model.DisplayingItemsCount == 0)
+@if (await Model.GetDisplayingItemsCountAsync() == 0)
 {
     <tr class="grid-empty-text">
         @if (hasSubGrid)
@@ -34,12 +34,14 @@ else
 {
     @if (Model.GroupingEnabled)
     {
+        var items = await Model.GetItemsToDisplayAsync();
         @await Html.PartialAsync("_GridGroupRows", new Tuple<ISGrid, IList<Tuple<string, object>>, bool, bool, IEnumerable<object>, string>
-            (Model, new List<Tuple<string, object>>(), hasSubGrid, requiredTotalsColumn, Model.ItemsToDisplay, "0"))
+            (Model, new List<Tuple<string, object>>(), hasSubGrid, requiredTotalsColumn, items, "0"))
     }
     else
     {
-        foreach (object item in Model.ItemsToDisplay)
+        var items = await Model.GetItemsToDisplayAsync();
+        foreach (object item in items)
         {
             <tr class="grid-row @Model.GetRowCssClasses(item)">
                 @if (hasSubGrid)