MS Chart 打印

 protected void btnPrint_Click(object sender, EventArgs e)
        {
 　　　　　　　　　　hidPrint.Value = "1";

                    //实例化打印对象
                    PrintDocument printdoc = new PrintDocument();
                    //定义打印对象的事件
                    printdoc.PrintPage += new PrintPageEventHandler(printdoc_PrintPage);
                    PaperSize ps = new PaperSize("print_ps", 2100, 2700);
                    printdoc.DefaultPageSettings.PaperSize = ps;
                    printdoc.DefaultPageSettings.Landscape = false;

                    //开始打印
                    printdoc.Print();
                    ScriptManager.RegisterStartupScript(this, this.GetType(), "A", "showMessage('数据打印',true);", true);
                }

  <asp:Chart ID="Chart1" runat="server" Width="630px" Height="450px" Style="text-align: left"
                    Palette="Excel" ImageLocation="~/TempImages/ChartPic_#SEQ(400,3)">
                    <Series>
                        <asp:Series ChartType="Pie" Name="Series1" ChartArea="ChartArea1" Legend="Legend1">
                        </asp:Series>
                    </Series>
                    <ChartAreas>
                        <asp:ChartArea Name="ChartArea1">
                        </asp:ChartArea>
                    </ChartAreas>
                    <Legends>
                        <asp:Legend Name="Legend1">
                        </asp:Legend>
                    </Legends>
                </asp:Chart>

protected void SetChartData()
        {
            Bms_SecurityHiddenTypeCollection collection = new Bms_SecurityHiddenTypeBLL().GetSecurityHiddenTypeRate(Conditions);

            //设置图表的数据源
            Chart1.DataSource = collection;

            //圆饼百分比
            Chart1.Series["Series1"].Label = "#PERCENT{P2}";

            //图列文字
            Chart1.Series["Series1"].LegendText = "#VALX";
            ////返回X轴上的一个值
            //Chart1.Series[0].PostBackValue = "#VALX";
            Chart1.Series["Series1"].Points.DataBindXY(collection, "TypeName", collection, "Rate");
            //绑定数据
            Chart1.DataBind();

            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true;
            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Inclination = 45;
            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Rotation = 45;
            Chart1.Series["Series1"]["PieLabelStyle"] = "Outside";
        }

 void printdoc_PrintPage(object sender, PrintPageEventArgs e)
        {
            //设置字体
            string path = Server.MapPath(string.Format("../TempImageFiles/chart_{0}.png", DateTime.Now.ToString("yyyyMMddhhmmssfff")));
            Chart1.SaveImage(path, ChartImageFormat.Png);
            Bitmap b = new Bitmap(path);
            e.Graphics.DrawImage(b, e.MarginBounds.Left, e.MarginBounds.Top);
            e.PageSettings.Landscape = true;

        }