MsChart<3> 饼状图

MsChart，饼状图

<asp:Chart ID="Chart1" runat="server" BorderlineDashStyle="Solid" BorderlineColor="Gray" Width="768px" BackGradientStyle="DiagonalLeft" BackSecondaryColor="AliceBlue"
BackColor="WhiteSmoke">
    <Legends>
         <asp:Legend Name="Legend1" Alignment="Near">
         </asp:Legend>
    </Legends>
    <Series>
         <asp:Series Name="Series1" ChartType="Pie" Font="Arial">
         </asp:Series>
     </Series>
      <ChartAreas>
          <asp:ChartArea Name="ChartArea1">
          </asp:ChartArea>
      </ChartAreas>
</asp:Chart>

后台代码：（dt为数据源）数据库中数据Sample

Chart1.Series["Series1"].Label = "#PERCENT{P}";//百分比形式
Chart1.Series["Series1"].Points.DataBind(dt.DefaultView, "Result", "Score", "LegendText=Result,YValues=Score,ToolTip=Score");
Chart1.Series["Series1"].ChartType = SeriesChartType.Pie;
Chart1.Series["Series1"].ToolTip = "#LEGENDTEXT:#VAL{C} MILLION";

Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true;
Chart1.DataBind();

Chart Image的保存，下载：

string path = @"C:\Chart\Chart_" + DateTime.Now.ToString("yyyyMMddhhmm") + @"\";

if (!System.IO.Directory.Exists(path))
{
      System.IO.Directory.CreateDirectory(path);
}

Chart1.SaveImage(path + "QC_Status.jpg", System.Web.UI.DataVisualization.Charting.ChartImageFormat.Jpeg);