complete ef

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Controllers/HomeController.cs

@@ -0,0 +1,32 @@
+using Entity_Framework_CRUD.Models;
+using Microsoft.AspNetCore.Mvc;
+using System.Diagnostics;
+
+namespace Entity_Framework_CRUD.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly ILogger<HomeController> _logger;
+
+        public HomeController(ILogger<HomeController> logger)
+        {
+            _logger = logger;
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        public IActionResult Privacy()
+        {
+            return View();
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+        }
+    }
+}

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Controllers/OfficerController.cs

@@ -0,0 +1,152 @@
+using Microsoft.AspNetCore.Mvc;
+using Entity_Framework_CRUD.Models;
+
+namespace Entity_Framework_CRUD.Controllers
+{
+    public class OfficerController : Controller
+    {
+        // setting up the context class on controller
+        // context class is the one that will be used to interact with the database
+        private readonly OfficerContext _context;
+
+        // constructor to initialize the context class
+        public OfficerController(OfficerContext context)
+        {
+            _context = context;
+        }
+
+        /*
+         * Read Officer method
+         */
+        [HttpGet]
+        public IActionResult Index()
+        {
+            // data to be displayed in index.cshtml
+            // data from the database will be converted to list and sent to view
+            var officerList = _context.tbl_officer.ToList();
+            return View(officerList);
+        }
+
+        /*
+         * Create Officer method
+         * Get and Post methods
+         */
+        [HttpGet]
+        public IActionResult CreateOfficer()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        public IActionResult CreateOfficer(Officer o)
+        {
+            var officer = new Officer()
+            {
+                Id = Guid.NewGuid(),
+                Name = o.Name,
+                Gender = o.Gender,
+                Department = o.Department,
+                Phone = o.Phone,
+                Position = o.Position
+            };
+            _context.tbl_officer.Add(officer);
+            _context.SaveChanges();
+            return RedirectToAction("Index");
+        }
+
+        /*
+         * Details Officer method
+         * Get method
+         */
+        [HttpGet]
+        public IActionResult GetOfficer(Guid id)
+        {
+            var officer = _context.tbl_officer.Find(id);
+            if (officer == null)
+            {
+                return RedirectToAction("Index");
+            }
+            return View(officer);
+        }
+
+        /*
+         * Update Officer method
+         * Get and Post methods
+         */
+
+        /*
+         * Get method to get the officer details to be updated
+         */
+        [HttpGet]
+        public IActionResult UpdateOfficer(Guid id)
+        {
+            // check if the id of officer sent from view is matched with the id in the database
+            // if matched, the officer details will be sent to the view
+            var officer = _context.tbl_officer.FirstOrDefault(x => x.Id == id);
+            if (officer == null)
+            {
+                return RedirectToAction("Index");
+            }
+            return View(officer);
+        }
+
+        /*
+         * Post method to update the officer details
+         */
+        [HttpPost]
+        public IActionResult UpdateOfficer(Officer o)
+        {
+            // check if the officer details are valid
+            // then save the changes in database
+            var officer = _context.tbl_officer.Find(o.Id);
+            if (officer != null)
+            {
+                officer.Name = o.Name;
+                officer.Gender = o.Gender;
+                officer.Department = o.Department;
+                officer.Phone = o.Phone;
+                officer.Position = o.Position;
+                _context.SaveChanges();
+            }
+            return RedirectToAction("Index");
+        }
+
+        /*
+         * Delete Officer method
+         * Get and Post methods
+         */
+
+        /*
+         * Get method to get the officer details to be deleted
+         */
+        [HttpGet]
+        public IActionResult DeleteOfficer(Guid id)
+        {
+            // check if the id of officer sent from view is matched with the id in the database
+            // if matched, the officer details will be sent to the view
+            var officer = _context.tbl_officer.FirstOrDefault(x => x.Id == id);
+            if (officer == null)
+            {
+                return RedirectToAction("Index");
+            }
+            return View(officer);
+        }
+
+        /*
+         * Post method to delete the officer details
+         */
+        [HttpPost]
+        public IActionResult DeleteOfficer(Officer o)
+        {
+            // check if the officer details are valid
+            // then delete the officer from the database
+            var officer = _context.tbl_officer.Find(o.Id);
+            if (officer != null)
+            {
+                _context.tbl_officer.Remove(officer);
+                _context.SaveChanges();
+            }
+            return RedirectToAction("Index");
+        }
+    }
+}

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Entity Framework CRUD.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>Entity_Framework_CRUD</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Entity Framework CRUD.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34728.123
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Entity Framework CRUD", "Entity Framework CRUD.csproj", "{E17321B0-0B28-4866-A72B-D5DD32A016E0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E17321B0-0B28-4866-A72B-D5DD32A016E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E17321B0-0B28-4866-A72B-D5DD32A016E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E17321B0-0B28-4866-A72B-D5DD32A016E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E17321B0-0B28-4866-A72B-D5DD32A016E0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {4D27A5C2-A74B-42D6-A7B1-D28D7035010D}
+	EndGlobalSection
+EndGlobal

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Migrations/20240528095605_Initial.cs

@@ -0,0 +1,38 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Entity_Framework_CRUD.Migrations
+{
+    /// <inheritdoc />
+    public partial class Initial : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "tbl_officer",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Gender = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Phone = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Department = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Position = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tbl_officer", x => x.Id);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "tbl_officer");
+        }
+    }
+}

6th_Semester/NET_Centric_Computing/Lab Codes/Practical3/Entity Framework CRUD/Migrations/OfficerContextModelSnapshot.cs

@@ -0,0 +1,58 @@
+// <auto-generated />
+using System;
+using Entity_Framework_CRUD.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Entity_Framework_CRUD.Migrations
+{
+    [DbContext(typeof(OfficerContext))]
+    partial class OfficerContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("Entity_Framework_CRUD.Models.Officer", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Department")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Gender")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Position")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("tbl_officer");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}