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Editorial Team
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Asked: 2026-05-14T07:23:19+00:00

I just installed microsoft chart controls software on my system. Now the chart is

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I just installed microsoft chart controls software on my system. Now the chart is present on the data toolbox on visual C# 2008 express edition. But it is not available on visual web developer 2008 express edition

When I tried

<asp:chart >

it is not available…

Do I have to do some procedure to get it active on web developer.

Can anyone tell me what is the problem…

I added the below said to the web.config, The is available but I am getting an error..

The type or namespace name 'DataVisualization' does not exist in the namespace 'System.Web.UI' (are you missing an assembly reference?)

What should I do now…

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1 Answer

  1. Editorial Team

    Do you reference it in your web.config

    • under the controls tag (path: “< system.web>”) :

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

    • under “< 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”/>

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