mschart控制項的累計柱狀圖效果實現

private void Form1_Load(object sender, EventArgs e)
        {
//定義一個表，並添加資料
            DataTable tbl = new DataTable();

            DataColumn c1 = new DataColumn("c1");
            DataColumn c2 = new DataColumn("c2");
            DataColumn c3 = new DataColumn("c3");
            tbl.Columns.Add(c1);
            tbl.Columns.Add(c2);
            tbl.Columns.Add(c3);

            DataRow r1 = tbl.NewRow();
            r1["c1"] = "china";
            r1["c2"] = 60;
            r1["c3"] = 20;
            tbl.Rows.Add(r1);

            DataRow r2 = tbl.NewRow();
            r2["c1"] = "america";
            r2["c2"] = 10;
            r2["c3"] = 5;
            tbl.Rows.Add(r2);



            Series series1 = new Series();
            series1.ChartType = SeriesChartType.StackedColumn;
            Chart1.Series.Add(series1);
            Series series2 = new Series();
            series2.ChartType = SeriesChartType.StackedColumn;
            Chart1.Series.Add(series2);

            Chart1.Series[0].Points.DataBind(tbl.DefaultView, "c1", "c2", "");
            Chart1.Series[1].Points.DataBind(tbl.DefaultView, "c1", "c3", "");

            Chart1.Series[0].Name = "Rank A";
            Chart1.Series[1].Name = "Rank B";

            Chart1.Series[0].IsValueShownAsLabel = true;
            Chart1.Series[1].IsValueShownAsLabel = true;
            Chart1.ChartAreas[0].Area3DStyle.Enable3D = true;



/*刪除下面，才能實現累計柱狀圖（1），否則效果（2）
            目前還沒看懂關於Series對象方括弧中的這個所謂的自訂屬性*/

//foreach (Series s in Chart1.Series)
//{
//    s["StackedGroupName"] = s.Name;
//}
            
        }

 

圖1  累計柱狀圖效果

圖2