project BLF > class Database Component > method PreSave

Description

Actions to take before writing current instance to the database (inside the db transaction!).
Use the field tc_status to test the status of the updated records:
'' = unchanged
'N' = new
'C' = changed
'D' = deleted


Parameters


oiReturnStatusoutputintegerReturn status of the method.


Internal usage


BLF
method database.DataSaveWorker


program code (program1/database.p)