or
<telerik:RadHtmlChart runat="server" ID="PieChart1" Width="1160" Height="500px" Transitions="true"> <Appearance> <FillStyle BackgroundColor="White"></FillStyle> </Appearance> <ChartTitle Text=""> <Appearance Align="Center" BackgroundColor="White" Position="Top" /> </ChartTitle> <Legend> <Appearance BackgroundColor="White" Position="Right" Visible="true" /> </Legend> <PlotArea> <Appearance> <FillStyle BackgroundColor="White" /> </Appearance> <Series> <telerik:PieSeries DataFieldY="Count" NameField="Product"> <LabelsAppearance ClientTemplate="#=dataItem.Product# #=dataItem.Percentage#%"/> </telerik:PieSeries> </Series> </PlotArea></telerik:RadHtmlChart>DataTable dt = GetData();PieChart1.DataSource = dt;PieChart1.DataBind();