Compatible Unicode Intrinsic Functions - IsNull Method

Test if the variable is a LANSA null

Member of Compatible Unicode Intrinsic Functions (PRIM_LIBI.ICompatibleUnicodeIntrinsics)

Parameters

Name	Type	Data Type	Description
Result	*Result (Optional)	Boolean	True is the string a LANSA null

Details

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.

See also

All Component Classes

Technical Reference

LANSA Version 15, April 2020