Hi Celestine,
Bdc has two methods 1. is call transaction 2. session method 3.direct method
1.if it is call transaction in tht method when we give option like 'A'. it will show screnn by screen updation and if error are prsent then it will traped by bdcmsgcoll structure which we will call.....
2.if it is session method we call three function modules in which we call
bdc_insert, bdc_opengroup
bdc_closegroup.
and wview the error in sm35 where u can view the updated records as well as the error records in logs of tht screen
note: in bdc_closegroup ... we need not pass anythng but should call it because if u do not call this it will not process in session tcode sm35. so it is mandatory.....
hope it might be useful...
regards,
sana.
reward if helpful...
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