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Old October 7th, 2004, 05:05 PM
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Default How do I test for an empty array element


How do I test for an empty array element?
I want to loop through an array while the array element is not empty.

Say I have an array of 3 elements:

a(1) = 1
a(2) = 2
a(3) = is empty

How can I test for a(3) being empty?


K Moran
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Old October 8th, 2004, 03:34 AM
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Use the IsEmpty function, if your array contains items of a Variant type, eg.

Public Sub testForEmpty()
  Dim myArray(3)
  Dim item
  Dim counter As Long

  myArray(0) = "string value"
  myArray(1) = 1.5
  myArray(3) = False

  For Each item In myArray
    If IsEmpty(item) Then
      Debug.Print "Item " & counter & " in the array is empty"
    End If
    counter = counter + 1
End Sub
In the above example, myArray(2) is returned as empty
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