Test if the variable is a LANSA null |
Member of Compatible Unicode Intrinsic Functions (PRIM_LIBI.ICompatibleUnicodeIntrinsics)
Name | Type | Data Type | Description |
|---|---|---|---|
Result | *Result (Optional) | Boolean | True is the string a LANSA null |
IsNull tests a variable and returns True if it contains the appropriate LANSA null value for the data type.
e.g. Zero for numeric fields or blank for alphanumeric fields.