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IsNullString - Check whether a string contains white-spaces
[ All Languages » VB »  String]

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Click here to copy the following block
' Return True is a string is made only of spaces, tabs, and Null characters.
' This function is especially useful to test whether fixed-length strings
' are initialized.

Function IsNullString(Text As String) As Boolean
  Dim i As Long
  For i = 1 To Len(Text)
    Select Case Asc(Mid$(Text, i, 1))
      Case 0, 9, 32
      Case Else
        Exit Function
    End Select
  Next
  IsNullString = True
End Function


Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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