i upload my website to my hosting but i got this erorr when i try to view pages ,
Server Error in '/' Application.
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Parser Error
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 'ajaxToolkit:ToolkitScriptManager'.
Source Error:
Line 18: <div class="demoarea">
Line 19: <div class="demoheading"></div>
Line 20: <ajaxToolkit:ToolkitScriptManager ID="ScriptManager1" runat="server" />
Line 21: <div style="text-align:center">
Line 22: <asp:Image ID="Image1" runat="server"
Source File: /Index.aspx Line: 20
can any one help me ?