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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