How You Can Use BitmapObject and StringObject Methods
The BitmapObject and StringObject system class methods that access the database (InsertIntoDB, DeleteFromDB, and UpdateInDB) indicate errors in two ways:
• The return value is set to a nonzero error code if the method does not execute successfully.
• The DBSessionObject attributes ErrorNumber and DBMSError are set to the appropriate error number if a DBMS error occurs during the execution of the method.