解决 ASP.NET Chart 控件出错 为 ChartImg.axd 执行子请求时出错

核心提示：解决方法一:1. 修改web.Configview plaincopy to clipboardPRint?<add key="ChartImageHandler" value="storage=file;timeout=20;url=~/TempImages/;" /&g

解决方法一:

1. 修改web.Config

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<add key="ChartImageHandler" value="storage=file;timeout=20;url=~/TempImages/;" />　
<add key="ChartImageHandler" value="storage=file;timeout=20;url=~/TempImages/;" />

将其中的 dir=c:\TempImages\ 的绝对路径 修改外 url=~/TempImages/ 相对路径　（前提条件：网站文件中必须包含 TempImages文件夹）

2. 修改

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<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" />　
<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" />

为

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

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

为：
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<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" />　
<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" />

解决方法二:

打开*.aspx页面,删除原来MSCchart产生的网页代码(如果你的MSChart控件已经都设置好了很多项觉得删除可惜,就剪切吧)

然后切换到设计界面,在工具箱中选择MSChart控件,重新拖入进去,就可以自动在web.config中添加上面的代码