Troubleshooting ASP.NET Chart Control Error executing subrequest for ChartImg.axd. _hhxshhxs88’s blog

1. Modify web.Config

Modify the absolute path of dir=c:/TempImages/ to the relative path of url=~/TempImages/ (precondition: the website file must contain the TempImages folder)

2. Modify

for

<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. Modify

<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″ />

is:

<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″ />