http://jian23523.blog.163.com/blog/static/10896181201133954020/

http://msdn.microsoft.com/zh-cn/library/system.web.ui.datavisualization.charting.chart.aspx

下载

前台：
<asp:Chart ID="Chart1" runat="server" BackGradientStyle="TopBottom" 
        BackSecondaryColor="LightSteelBlue" BorderlineWidth="0">
        <Series>
            <asp:Series ChartArea="ChartArea1" CustomProperties="DrawingStyle=Cylinder" 
                Legend="Legend1" Name="实际值">
            </asp:Series>
            <asp:Series CustomProperties="DrawingStyle=Cylinder" Legend="Legend1" 
                Name="预测值">
            </asp:Series>
        </Series>
        <ChartAreas>
            <asp:ChartArea AlignmentOrientation="Horizontal" BackColor="LightSteelBlue" 
                BackGradientStyle="DiagonalRight" Name="ChartArea1">
                <Area3DStyle Rotation="0" WallWidth="0" />
            </asp:ChartArea>
        </ChartAreas>
        <Legends>
            <asp:Legend Name="Legend1">
            </asp:Legend>
        </Legends>
    </asp:Chart>


后台绑定：
 public void chartbind()
        {
            Chart1.DataSource = _ComputerSrv.SelectTable("select departments, sum(price)as price,sum(price)+300 as num from parts group by departments having departments='销售部' or departments='财务部'");
            Chart1.Series[0].YValueMembers = "num";
            Chart1.Series[1].YValueMembers = "price";
            Chart1.Series[0].XValueMember = "departments";
            Chart1.DataBind();
        }

 _ComputerSrv.SelectTable();
前面怎么搞的！写的详细点好吗?谢谢！