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IsNull in VB.NET

IsNull is not supported in VB.NET. Classic ASP users that used IsNull in VBScript should now use IsNothing. 
If Not Request.Form("LastName") Is Nothing Then
   '-- Do something!
End If

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posted by MAS at 7/25/2007

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Try...Catch Disclaimer: For brevity many examples do not include error handling. That is your responsibility.