|
Determines
whether the given parameter is a reference syntax with a non-null, non-empty,
or non-blank value.
Parameters
Parameter
|
Description
|
|---|
v
|
A valid reference syntax expression.
If v is
not a reference syntax, the function returns false (0).
|
ExamplesThe
following expressions are examples that use the HasValue function.
Expression
|
Returns
|
|---|
HasValue(2)
|
True (1)
|
HasValue(" ")
|
False (0)
|
HasValue(Amount[*])
|
Error
|
HasValue(Amount[0])
|
Evaluates the first occurrence of Amount and
returns true (1) if it is a non-null, non-empty,
or non-blank value.
|
|
|
|
