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))
See Also