AjaxControlToolKit popup extender

Hi, I am using Ajax control tool kit popup extender.. the popup has a cancel button.. when i click the cancel button it gives error-- 'AjaxControlToolKit Undefined..' it's a Microsoft JScript Error..

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Make sure to add a ScriptManger or ToolkitScriptManager from your list of controls into the page. When using these ajax controls you must have one script manager.

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HI gautam reddy,

Give EnablePartialRendering property of  ScriptManager to false like

<asp:ScriptManager ID="Scr1" runat="server" EnablePartialRendering ="false" >
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