IsEmptyVar
Returns a Boolean value indicating whether a variable has been initialized and set to a non-empty value.
Syntax
IsEmptyVar( varExpression )
Parameters
Name | Type | Description |
---|---|---|
varExpression | Variant | Required. The variable to be evaluated. |
Return value
Boolean
Validationtag:Validation
Remarks
- When varExpression is a String containing only spaces, it is considered to be empty. True is returned in this case.
- Is an array with no elements is passed to this function also True is returned.