var servers = Chart1.Series[0];servers.Label = "#VAL\r\n#PERCENT{P1}";

<asp:Chart ID="Chart1" runat="server" Palette="BrightPastel" BackColor="#D3DFF0" BorderDashStyle="Solid" BackSecondaryColor="White"            BackGradientStyle="TopBottom" BorderWidth="2" BorderColor="26, 59, 105" ImageLocation="~/TempImages/ChartPic_#SEQ(300,3)" ImageType="Png">            <Titles>                <asp:Title ShadowColor="32, 0, 0, 0" Font="Trebuchet MS, 14.25pt, style=Bold" ShadowOffset="3" Text="Pie Chart" Name="Title1" ForeColor="26, 59, 105"></asp:Title>            </Titles>            <Legends>                <asp:Legend   Name="Default" BackColor="Transparent"  Font="Trebuchet MS, 8.25pt, style=Bold" Enabled="True" ></asp:Legend>            </Legends>            <BorderSkin SkinStyle="Emboss"></BorderSkin>            <Series>                <asp:Series  Name="Default" ChartType="Pie" XValueType="Double" BorderColor="180, 26, 59, 105" ShadowOffset="5"                     Font="Trebuchet MS, 8.25pt, style=Bold" YValueType="Double" ></asp:Series>            </Series>            <ChartAreas>                <asp:ChartArea Name="ChartArea1" BorderColor="64, 64, 64, 64" BackSecondaryColor="White" BackColor="Transparent" ShadowColor="" BorderWidth="0">                    <Area3DStyle Rotation="10" Perspective="10" Inclination="15" IsRightAngleAxes="False" WallWidth="0" IsClustered="False"></Area3DStyle>                    <AxisY LineColor="64, 64, 64, 64">                        <LabelStyle Font="Trebuchet MS, 8.25pt, style=Bold" />                        <MajorGrid LineColor="64, 64, 64, 64" />                    </AxisY>                    <AxisX LineColor="64, 64, 64, 64">                        <LabelStyle Font="Trebuchet MS, 8.25pt, style=Bold" />                        <MajorGrid LineColor="64, 64, 64, 64" />                    </AxisX>                </asp:ChartArea>            </ChartAreas>        </asp:Chart>

protected void Page_Load(object sender, EventArgs e)        {            // Create pie chart helper class,            pieHelper = new PieCollectedDataHelper(Chart1);            pieHelper.CollectedLabel = String.Empty;            // Set chart type ，设置图标类型，饼状图Pie  环装图：Doughnut            //Chart1.Series["Default"].ChartType = (SeriesChartType)Enum.Parse(typeof(SeriesChartType), ChartTypeList.SelectedItem.Text, true);            Chart1.Series["Default"].ChartType = SeriesChartType.Pie;            // Set chart type and title            //需要配合Titles            Chart1.Titles[0].Text = "后整产量" + " Chart";            //ShowLegend显示标签,Disabled隐藏    Inside内部显示，Outside外部显示                     Chart1.Series["Default"]["PieLabelStyle"] = "Outside";            // Set Doughnut hole size,甜甜圈宽度,,只有当 Chart1.Series["Default"].ChartType=="Doughnut"才生效            Chart1.Series["Default"]["DoughnutRadius"] = "60";            //Docking            //需要配合Legends            //调整Legends位置            Chart1.Legends[0].Docking = Docking.Bottom;            //Alignment="Center" Docking="Bottom" IsTextAutoFit="False" LegendStyle="Row"            //LegendStyle            // Enable 3D            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = false;            //甜甜圈图样式Default  SoftEdge Concave,,当启动3D模式时设置不生效            Chart1.Series[0]["PieDrawingStyle"] = "SoftEdge";            //// Pie drawing style            //if (this.CheckboxShow3D.Checked)            //    this.Dropdownlist1.Enabled = false;            //else            //    this.Dropdownlist1.Enabled = true;                       // Populate series data            double[] yValues = { 9042, 558, 2160, 4051, 2151, 1761 };            string[] xValues = { "A64", "A65", "A66", "A67", "A68", "A69"};            DataTable dt = CreateData();            var v = ToList<HZProducte>(dt);            //double[] yValues = { 65.62, 2.1, 85.73, 11.42, 34.45, 75.54, 5.7, 4.1 };            //string[] xValues = { "France", "Japan", "USA", "Italy", "Germany", "Canada", "Russia", "Spain" };            //具有绑定规则的其他数据点属性，格式为：PointProperty=Field[{Format}] [,PointProperty=Field[{Format}]]。例如：“Tooltip=Price{C1},Url=WebSiteName”。            //Chart1.Series["Default"].Points.DataBindXY(xValues, yValues);<!--Label="#PERCENT{P1}-->"            /*                MSChart的Label的值的转义符,如下：                #VALX 显示当前图例的X轴的对应文本(或数据)                #VAL, #VALY, 显示当前图例的Y轴的对应文本(或数据)                #VALY2, #VALY3, 显示当前图例的辅助Y轴的对应文本(或数据)                #SER: 显示当前图例的名称                #LABEL 显示当前图例的标签文本                #INDEX 显示当前图例的索引                #PERCENT 显示当前图例的所占的百分比                #TOTAL 总数量                #LEGENDTEXT 图例文本                 当LegendText为#AXISLABEL时，如果Label为#PERCENT，并且绑定的ValueMember为数值时，LegendText显示的和Label一样，存在Bug。             */            var servers = Chart1.Series[0];            servers.Label = "#VAL\r\n#PERCENT{P1}";            //Chart1.DataSource = dt;            //servers.XValueMember = "CenterName";            //servers.YValueMembers = "Qty";            //servers.LegendText = "#VALX";            //Chart1.DataBind();            //servers.LabelBackColor = Color.Red;            //servers.LabelUrl = "http://www.baidu.com";                        servers.Points.DataBind(v, "CenterName", "Qty", "LegendText=CenterName");            pieHelper.SupplementedAreaSizeRatio = 3.0f;        }        public class HZProducte        {            public int Qty { set; get; }            public string CenterName { get; set; }        }        DataTable CreateData()        {            DataTable dt = new DataTable();            #region 准备Dt            dt.Columns.Add("Qty", typeof(System.Int32));            dt.Columns.Add("CenterName", typeof(System.String));            DataRow row1 = dt.Rows.Add();            row1["Qty"] = 9042;            row1["CenterName"] = "后整一厂";            DataRow row2 = dt.Rows.Add();            row2["Qty"] = 558;            row2["CenterName"] = "后整二厂";            DataRow row3 = dt.Rows.Add();            row3["Qty"] = 2160;            row3["CenterName"] = "后整三厂";            DataRow row4 = dt.Rows.Add();            row4["Qty"] = 4051;            row4["CenterName"] = "后整四厂";            DataRow row5 = dt.Rows.Add();            row5["Qty"] = 2151;            row5["CenterName"] = "后整五厂";            DataRow row6 = dt.Rows.Add();            row6["Qty"] = 1761;            row6["CenterName"] = "后整六厂";            #endregion            return dt;        }        /// <summary>          /// DataTable 转换为List 集合          /// </summary>          /// <typeparam name="TResult">类型</typeparam>          /// <param name="dt">DataTable</param>          /// <returns></returns>          public static List<TResult> ToList<TResult>(DataTable dt) where TResult : class, new()        {            //创建一个属性的列表              List<PropertyInfo> prlist = new List<PropertyInfo>();            //获取TResult的类型实例  反射的入口              Type t = typeof(TResult);            //获得TResult 的所有的Public 属性 并找出TResult属性和DataTable的列名称相同的属性(PropertyInfo) 并加入到属性列表               Array.ForEach<PropertyInfo>(t.GetProperties(), p => { if (dt.Columns.IndexOf(p.Name) != -1) prlist.Add(p); });            //创建返回的集合              List<TResult> oblist = new List<TResult>();            foreach (DataRow row in dt.Rows)            {                //创建TResult的实例                  TResult ob = new TResult();                //找到对应的数据  并赋值                  prlist.ForEach(p => { if (row[p.Name] != DBNull.Value) p.SetValue(ob, row[p.Name], null); });                //放入到返回的集合中.                  oblist.Add(ob);            }            return oblist;        }