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<asp:Chart ID="Chart" runat="server" Width="740px">
<ChartAreas>
<asp:ChartArea Name="ChartArea1">
</asp:ChartArea>
</ChartAreas>
</asp:Chart>
string strSql = "select * from student where 年份='2005'";
DataSet ds = DBHelper.ExecuteDataSet(strSql);
Chart1.ChartAreas["ChartArea1"].AxisY.Title = "成绩";
Chart1.ChartAreas["ChartArea1"].AxisX.Title = "学科";
Chart1.DataSource = ds;
Chart1.DataBindCrossTable(ds.Tables[0].DefaultView, "姓名", "科目", "成绩", "");
Chart1.Legends.Add("legends");