IPB_Session interface:
IsFieldNull method
Description
Returns true if the field of the specified object is a null value; otherwise it returns false.
Syntax
IsFieldNull(pbobject obj, pbfield fid)
Argument |
Description |
|---|---|
obj |
A valid object handle for the object whose field is to be accessed |
fid |
The field ID of the specified object |
Return Values
pbboolean.
Examples
These statements test whether the field identified by fid is null:
fid = session -> GetFieldID(cls, "i_val");
if (session -> IsFieldNull(myobj, fid))