asp.net 图表

     <div>
<asp:Chart ID="Chart1" runat=server>
    <Series>
        <asp:Series Name="Series1"></asp:Series>

    </Series>
    <ChartAreas>
        <asp:ChartArea Name="ChartArea1"></asp:ChartArea>

    </ChartAreas>

</asp:Chart>

<asp:Chart ID="Chart2" runat=server><Series><asp:Series Name="Series1"></asp:Series></Series><ChartAreas><asp:ChartArea Name="ChartArea1"></asp:ChartArea></ChartAreas></asp:Chart>

<asp:Chart ID="Chart3" runat=server><Series><asp:Series Name="Series1"></asp:Series></Series><ChartAreas><asp:ChartArea Name="ChartArea1"></asp:ChartArea></ChartAreas></asp:Chart>

        </div>

   System.Data.DataTable dt = CreatData();
        GetStyle4(dt);
        GetStyle2(dt);
        GetStyle3(dt);
        }


         protected System.Data.DataTable CreatData()  
    {  
        System.Data.DataTable dt = new System.Data.DataTable();  
        dt.Columns.Add("Country", System.Type.GetType("System.String"));  
        dt.Columns.Add("Score", System.Type.GetType("System.String"));  
        string[] n = new string[] { "中国","美国", "俄罗斯", "英国" };  
        string[] c = new string[] { "85","80", "50", "35" };  
        for (int i = 0; i < 4; i++)  
        {  
            DataRow dr = dt.NewRow();  
            dr["Country"] = n[i];  
            dr["Score"] = c[i];  
            dt.Rows.Add(dr);  
        }  
        return dt;  
    }



          protected void GetStyle3(System.Data.DataTable dt)
         {
             Chart3.DataSource = dt;//绑定数据
             Chart3.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//设置图表类型
             Chart3.Series[0].XValueMember = "Country";//X轴数据成员列
             Chart3.Series[0].YValueMembers = "Score";//Y轴数据成员列
             Chart3.ChartAreas["ChartArea1"].AxisX.Title = "语言";//X轴标题
             Chart3.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
             Chart3.ChartAreas["ChartArea1"].AxisY.Title = "统计";//X轴标题
             Chart3.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
             Chart3.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
             Chart3.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
             Chart3.Series[0].IsValueShownAsLabel = true;//显示坐标值
        }

         protected void GetStyle2(System.Data.DataTable dt)
         {
             Chart2.DataSource = dt;//绑定数据
             Chart2.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Bar;//设置图表类型
             Chart2.Series[0].XValueMember = "Country";//X轴数据成员列
             Chart2.Series[0].YValueMembers = "Score";//Y轴数据成员列
             Chart2.ChartAreas["ChartArea1"].AxisX.Title = "语言";//X轴标题
             Chart2.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
             Chart2.ChartAreas["ChartArea1"].AxisY.Title = "统计";//X轴标题
             Chart2.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
             Chart2.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
             Chart2.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
             Chart2.Series[0].IsValueShownAsLabel = true;//显示坐标值

         }  


        protected void GetStyle4(System.Data.DataTable dt)
        {
            Chart1.DataSource = dt;//绑定数据  
            Chart1.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Pie;//设置图表类型  
            Chart1.Series[0].XValueMember = "Country";//X轴数据成员列  
            Chart1.Series[0].YValueMembers = "Score";//Y轴数据成员列  
            Chart1.Series[0].LegendMapAreaAttributes = "Country"; //显示国家  
            Chart1.Series[0].IsValueShownAsLabel = true;//显示坐标值  

        }