Syntax
| IsNull(expr)
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Description
| Return the True if expr is Null.
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See Also
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Example
| Sub Main
Dim X As Variant
Debug.Print IsEmpty(X) 'True
Debug.Print IsNull(X) 'False
X = 1
Debug.Print IsNull(X) 'False
X = "1"
Debug.Print IsNull(X) 'False
X = Null
Debug.Print IsNull(X) 'True
X = X*2
Debug.Print IsNull(X) 'True
End Sub
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