asp.net Chart 饼状图

　　　　DataSet ds = DbHelperOleDb.Query(sbSql.ToString());
            DataTable dt = ds.Tables[0];
            string[] agencyname = new string[6];
            double[] sumshares = new double[6];
            sumshares[5] = 0;
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                if (i < 5)
                {
                    agencyname[i] = dt.Rows[i]["fund_Name"].ToString();
                    sumshares[i] = double.Parse(dt.Rows[i]["total_share"].ToString());
                }
                else
                {
                    agencyname[5] = "其他";
                    sumshares[5] += double.Parse(dt.Rows[i]["total_share"].ToString());
                }
            }
            sumshares[5] = Math.Ceiling(sumshares[5]);
            Chart1.Series["Series1"].Points.DataBindXY(agencyname, sumshares);
            Chart1.Series["Series1"].ChartType = SeriesChartType.Pie;
            //参数是否在图类显示(Inside内，Outside 外)
            Chart1.Series["Series1"]["PieLabelStyle"] = "Inside";
            Chart1.Series["Series1"].LegendText = "#VALX #VAL 万";