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Asked: 2026-05-18T03:45:25+00:00

I created a user control in Visual Studio in .Net framework 3.5 and using

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I created a user control in Visual Studio in .Net framework 3.5 and using Ajax Toolkit 3.5 and then added the Star Rating Ajax control to the user control.

Now I want to add this user control as a webpart to a sharepoint 2010 website. Since the user control already has a asp:ToolkitManager to do the work of script manager, adding this webpart to a page on the MOSS site gives a lot of errors. Currently, I have retained the asp:ToolkitManger in the user control.

The error I get whenever I open the MOSS page containing the user control is “PageRequestManager cannot be initialized more than once”.

I have no idea how to go about it. Any suggestions are welcome.

EDIT: I believe the sharepoint master page has a script manager of its own. I can’t remove it because the other pages will suffer. How do I modify the user control in Visual Studio so that it includes the ajax update panel but refers to the sharepoint script manager.

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1 Answer

  1. Editorial Team

    Perhaps the parent control or page already has ScriptManager defined…

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