MsChart，饼状图

后台代码：（dt为数据源）数据库中数据Sample

1 Chart1.Series["Series1"].Label = "#PERCENT{P}";//百分比形式
2 Chart1.Series["Series1"].Points.DataBind(dt.DefaultView, "Result", "Score", "LegendText=Result,YValues=Score,ToolTip=Score");
3 Chart1.Series["Series1"].ChartType = SeriesChartType.Pie;
4 Chart1.Series["Series1"].ToolTip = "#LEGENDTEXT:#VAL{C} MILLION";
5 
6 Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true;
7 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);

MsChart，饼状图

原文：http://www.cnblogs.com/armyfai/p/4246344.html