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Evl( )

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EVL( ) is a Visual FoxPro function. It converts an empty value to another value. Visual FoxPro regards the following as empty values.

Zero (0)
False
Any combination of Space, Chr(9), Chr(13), Chr(10)
Empty date, i.e., { / / }

 

You can think of EVL(eExpression1,eExpression2) as shorthand for:

IIF(Empty(eExpression1),eExpression1,eExpression2)

 

Syntax

EVL(eExpression1,eExpression2)

 

 


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