How to check the varaible has null value or not in vb.net RSS

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  Smadhu

  Member

  510 Points

  989 Posts

  How to check the varaible has null value or not in vb.net

  Apr 11, 2012 01:19 PM|LINK

  How to check the varaible has null value or not in vb.net???

  If ((PageNam Is Nothing) And (Content Is Nothing)) Then
  
  Debug.WriteLine("Null")
  End If

  Thnx 

  • Edited by Smadhu on Apr 11, 2012 01:29 PM
  • Marked as answer by Smadhu on Apr 11, 2012 01:29 PM
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  avinash_bhud...

  Contributor

  2881 Points

  517 Posts

  Re: How to check the varaible has null value or not in vb.net

  Apr 11, 2012 01:22 PM|LINK

  You Could use

  If VariableName IsNot Nothing Then ....
  
  Or
  
  If (VariableName.Equals(System.DBNull.Value) Then ....

  Or

  If ((IsDBNull(VariableName)) Then

  • Edited by avinash_bhudke on Apr 11, 2012 01:25 PM
  • Edited by avinash_bhudke on Apr 11, 2012 01:25 PM
  • Edited by avinash_bhudke on Apr 11, 2012 01:26 PM
  • Edited by avinash_bhudke on Apr 11, 2012 01:26 PM
  • Edited by avinash_bhudke on Apr 11, 2012 01:28 PM