在SharePoint2010中的自定义图表控件

嗨..
我新的SharePoint ......我试图设计自定义图表控件使用。净图表控件..部署到SharePoint页面后，图表图像不显示......图表不加载..
有谁知道什么什么问题...... plz帮助我...

我的web.config编码象下面这样的......

<pages>

<controls>

        <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

        <add tagPrefix="asp" namespace="System.Web.UI.DataVisualization.Charting" assembly="System.Web.Datavisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

      </controls>

</pages>

 

<httpHandlers>

 <add path="ChartImg.axd" verb="GET, HEAD" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />

</httpHandlers>

 

<appSettings>

 <add key="ChartImageHandler" value="Storage=memory;Timeout=180;Url= /tempImages/;" />

</appSettings>

 

and.. my chart control code is..

<asp:Chart ID="chrtDepartment" ImageStorageMode="UseHttpHandler" RenderType="ImageMap" runat="server" BorderSkin-SkinStyle="Emboss" BorderlineDashStyle="Solid" BorderlineColor="#1A3B69" Visible="true">

                <Series>

                    <asp:Series Name="Series1" YValueType="Int32" ChartArea="chrtAreaDepartment" ChartType="Line" IsValueShownAsLabel="true">

                        <Points>

                            <asp:DataPoint AxisLabel="1" YValues="12" />

                            <asp:DataPoint AxisLabel="2" YValues="34" />

                            <asp:DataPoint AxisLabel="3" YValues="10" />

 

                        </Points>

                    </asp:Series>

                </Series>

                <ChartAreas>

                    <asp:ChartArea Name="chrtAreaDepartment" Area3DStyle-Enable3D="true">

                    </asp:ChartArea>

                </ChartAreas>

            </asp:Chart>

<pages>

<controls>

        <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

        <add tagPrefix="asp" namespace="System.Web.UI.DataVisualization.Charting" assembly="System.Web.Datavisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

      </controls>

</pages>

 

<httpHandlers>

 <add path="ChartImg.axd" verb="GET, HEAD" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />

</httpHandlers>

 

<appSettings>

 <add key="ChartImageHandler" value="Storage=memory;Timeout=180;Url= /tempImages/;" />

</appSettings>

 

<handlers>

 <add name="ChartImageHandler" preCondition="integratedMode" verb="GET,HEAD,POST" path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

    </handlers>