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We are Deploying the .net User Controls in Share point 2010 and we are using Ajax in the UserControls(Tool Script Manager and Calender Extender Control). But we are getting the Error: like only one Instance of Script Manager is required. When we are commenting the Tool Script Manager the Page is Working but we are not getting the Calendar Extender Control and the ajax is not working.

1 solution

Try using System.Web.UI.ScriptManagerProxy[^]

That should probably solve your problems.

Espen Harlinn
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