sharepoint 2010 and IIS 7.5 Error

Hi,
iam getting following erorr
 No http handler was found for request type 'GET', when i was trying to add chart control to my webpart

i have windows 7 , IIS 7.5 and visual studion 2012 and
System.Web.DataVisualization, Version=3.5.0.0

I used following code add to web.config file but still error
<code>
<appSettings>
  <add key="ChartImageHandler" value="storage=file;timeout=20;" />
</appSettings>


<compilation targetFramework="3.5">
 <assemblies>
  <add assembly="System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
 </assemblies>
</compilation>

<system.webServer>

<handlers>
      <add name="ChartImg" verb="*" path="ChartImg.axd"  type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"  />
    </handlers>
</system.webServer>
</code>

and
I also add this at the top ofmy aspx page:

<%@ Register Assembly="System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
    Namespace="System.Web.UI.DataVisualization.Charting" TagPrefix="asp" %>


Can some one show me where iam doing mistake or send me what i have to. thanks
LVL 10
ukerandiAsked:
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colly92002Connect With a Mentor Commented:
Perhaps change the app-pool to work in classic mode?  If in integrated mode ensure that this the following is correct:


Put your http handlers in the system.webserver section of web.config, e.g. add this line:
<add name="ChartImg" verb="*" path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler,     System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"  />

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... after the last line in the system.handlers section, i.e.:
<system.webserver>
    <handlers>

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See here for more info:
http://weblog.west-wind.com/posts/2007/Oct/10/HttpModule-and-HttpHandler-sections-in-IIS-7-webconfig-files
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