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MOSS 2007 Deployment Issue with Telerik.web.ui

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Rana
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Rana asked on 22 Jan 2009, 07:21 AM
Hi All,
Please guide me how can i deploy the usercontrol as webpart in MOSS 2007, i am using Telerik.web.ui dll  for designing. i am getting error saying "Extender controls may not be registered before PreRender at System.Web.UI.ScriptControlManager.RegisterExtenderControl[TExtenderControl](TExtenderControl extenderControl, Control targetControl)
   at System.Web.UI.ScriptManager.RegisterExtenderControl[TExtenderControl](TExtenderControl extenderControl, Control targetControl) 
 at System.Web.UI.ExtenderControl.RegisterWithScriptManager()
   at System.Web.UI.ExtenderControl.OnPreRender(EventArgs e)
   at AjaxControlToolkit.ExtenderControlBase.OnPreRender(EventArgs e)
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.WebControls.WebParts.WebPart.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Please help me on this.
Regards
Rana Pratap

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Sebastian
Telerik team
answered on 22 Jan 2009, 09:38 AM
Hi Rana ,

From the stack trace of the exception you provided it seems that the error is generated by your custom extender control (there is no Telerik.Web.UI namespace reference). Can you please check whether my assumption is correct? Additionally, you may try moving merely our controls in another user control to see whether this makes a difference.

General guidelines how to use our controls under MOSS you can find in this section of the documentation:

http://www.telerik.com/help/aspnet-ajax/moss-overview.html

Kind regards,
Sebastian
the Telerik team

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