vba courses london - variable variant
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vba courses london - Variable & Variant

resolvedResolved · Low Priority · Version Standard

replyReplyTue 15 May 2007, 09:53Delegate Peter said...

Variable & Variant

What is the difference between a variable and a variant in VBA?

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replyReplyWed 23 May 2007, 13:57Trainer Carlos said...

RE: Variable & Variant

A Variable is a place to store a piece of information in the computer's memory.

Declaring a variable reserves an area in memory to store the value connected with the variable. When declaring a variable you have to declare adata type eg. Currency

A Variant is essentially a universal data type. It can contain any kind of information and represent any data type

 

 

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Vba tip:

Use VbNullString instead of

When needing to default a String variable back to it's default of "" use vbNullString as in the following example:

Sub ClearText()

Dim strEmpName As String

strEmpName = "John Smith"
MsgBox strEmpName

strEmpName = vbNullString
MsgBox strEmpName

End Sub

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