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The color of each of the columns (points) in a Column Chart can be changed by handling the PrepareStyle event of the series . C# series.PrepareStyle += new ChartPrepareStyleInfoHandler(this.ChartControlSeries_PrepareStyle); protected void ChartControlSeries_PrepareStyle(object sender, ChartPrepareStyleInfoEventArgs args) { ChartSeries series = sender as ChartSeries; int r, g, b; switch(args.Index) { case 0: r = 222;b=245;g=123; break; default: r = 222;b=245;g=123; break; } if(series != null) { args.Style.Interior = new BrushInfo(GradientStyle.None,Color.Black,Color.FromArgb(r,g,b ) ); args.Handled = true; } } VB AddHandler series.PrepareStyle, AddressOf ChartControlSeries_PrepareStyle Protected Sub ChartControlSeries_PrepareStyle(ByVal sender As Object, ByVal args As ChartPrepareStyleInfoEventArgs) Dim series As ChartSeries = CType(IIf(TypeOf sender Is ChartSeries, sender, Nothing), ChartSeries) Dim r, g, b As Integer Select Case args.Index Case 0 r = 222 b=245 g=123 Case Else r = 222 b=245 g=123 End Select If Not series Is Nothing Then args.Style.Interior = New BrushInfo(GradientStyle.None,Color.Black,Color.FromArgb(r,g,b)) args.Handled = True End If End Sub |
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