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using System;
using DevExpress.XtraCharts;
using DevExpress.XtraCharts.Web;
// ... 
protected void ASPxButton1_Click(object sender, EventArgs e) {
// Create a WebChartControl instance. 
WebChartControl WebChartControl1 = new WebChartControl();
// Add the chart to the form. 
// Note that a chart isn't initialized until it's added to the form's collection of controls. 
this.form1.Controls.Add(WebChartControl1);
// Create a line series and add points to it. 
Series series1 = new Series("My Series", ViewType.Line);
series1.Points.Add(new SeriesPoint("A", new double[] { 2 }));
series1.Points.Add(new SeriesPoint("B", new double[] { 7 }));
series1.Points.Add(new SeriesPoint("C", new double[] { 5 }));
series1.Points.Add(new SeriesPoint("D", new double[] { 9 }));
// Add the series to the chart. 
WebChartControl1.Series.Add(series1);
}

Imports System
Imports DevExpress.XtraCharts
Imports DevExpress.XtraCharts.Web
' ... Protected Sub ASPxButton1_Click(ByVal sender As Object, ByVal e As EventArgs)
' Create a WebChartControl instance. 
Dim WebChartControl1 As New WebChartControl()' Add the chart to the form. 
' Note that a chart isn't initialized until it's added to the form's collection of controls. 
Me.form1.Controls.Add(WebChartControl1)
' Create a line series and add points to it. 
Dim series1 As New Series("My Series", ViewType.Line)
series1.Points.Add(New SeriesPoint("A", New Double() { 2 }))
series1.Points.Add(New SeriesPoint("B", New Double() { 7 }))
series1.Points.Add(New SeriesPoint("C", New Double() { 5 }))
series1.Points.Add(New SeriesPoint("D", New Double() { 9 })) ' Add the series to the chart. 
WebChartControl1.Series.Add(series1)
End Sub