Reload LineChartView with Button

[baha-che]

I display lineChart in the viewDidLoad in myViewController but I need to display another lineChart with new data in the same view in myViewController after I click button that exist in myViewController.
I called setChart() in my button action with new data but it still display the lineChart that called in the viewDidLoad

[liuxuan30]

refer charts demo plz. it has both update and new data example in line chart.