Hello guys,i get the error, below when i add an ajax control to either my masterpage or webform. funny, am not using any external controls, as am building it from scratchtnxEhiServer Error in '/' Application.
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Unknown server tag 'asp:ScriptManager'.Source Error:
Line 43: <asp:SiteMapDataSource ID="main1" runat="server" SiteMapProvider="main" />
Line 45: <asp:ScriptManager ID="ScriptManager1" runat="server">
Line 46: </asp:ScriptManager>
Source File: /codes/default.master Line: 45
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