use IsNull function to check : Null « Data Type « VBA / Excel / Access / Word

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VBA / Excel / Access / Word » Data Type » Null 
use IsNull function to check
 
Sub CompareNulls2()

    Dim varValue1 As Variant
    Dim varValue2 As Variant
    
    varValue1 = Null
    varValue2 = Null
    
    If IsNull(varValue1) And IsNull(varValue2) Then
        Debug.Print "Both variables are Null"
    End If
    
End Sub

 
Related examples in the same category
1.How Null Propagates
2.Nulls are not equal
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