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Server Application Unavailable in .net dnn installation

If you found the error


Server Application Unavailable

The web application you are attempting to access on this web server is currently unavailable.  Please hit the "Refresh" button in your web browser to retry your request.
Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.




The problem is simple that your .net version is 1.1 you may need to register 2.0 or higher version 

Problem will be resolved 

Regards 
Rashid Imran Bilgrami 

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RegisterStartupScript updated way to right Java script JS (Javascript) in code behind also work with update panel

Dear All
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VB Code Dim csname1 As String = "PopupScript"
Dim cstype As Type = Me.GetType()
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