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21 Ιαν 2022 · IsNull returns True if expression is Null; otherwise, IsNull returns False. If expression consists of more than one variable, Null in any constituent variable causes True to be returned for the entire expression. The Null value indicates that the Variant contains no valid data.
23 Νοε 2015 · You must use IsNull(value) or Not Isnull(value) if you want to know if something is null. As an alternative method or to cover more bases you can use nz(VariableName) which returns a zero length string "" (which is also the same as vbNullString ) if VariableName is null.
This Excel tutorial explains how to use the Excel ISNULL function with syntax and examples. The Microsoft Excel ISNULL function returns TRUE if the expression is a null value. Otherwise, it returns FALSE.
IsNull returns True if expression is Null; otherwise, IsNull returns False. If expression consists of more than one variable, Null in any constituent variable causes True to be returned for the entire expression. The Null value indicates that the Variant contains no valid data.
5 Φεβ 2023 · VBA If Statements allow you to test if expressions are TRUE or FALSE, running different code based on the results. Let’s look at a simple example: If Range("a2").Value > 0 Then Range("b2").Value = "Positive" This tests if the value in Range A2 is greater than 0. If so, setting Range B2 equal to “Positive”
The post provides a complete description of the VBA If statement. It covers Else, ElseIf, conditions and the alternative Select Case statement.
12 Οκτ 2015 · Before I code my own function, is there a built-in function in VBA which allows me to specify a default value if a variable / function return value is null? I know of writing out an if conditional statement, but that's a little lengthy.
