The control with ID 'UpdatePanel1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it

When I first migrate the DataView form the original place to UpdatePanel, recompile it and error message returned:

"The control with ID 'UpdatePanel1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it"



Solution:

http://forums.asp.net/thread/1527394.aspx



You need to add the ScriptManager to your page. The ScriptManager control manages script resources for Microsoft ASP.NET AJAX pages



id="form1" runat="server" /> ID="ScriptManager1" runat="server" / />

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