Sequence problem plz help

Hi to all
Using form6i and run in client server
my problem is my the sequence wont appear in the text_item but in the database it have.
My code is.:
In block i used trigger Pre_insert code below
select id_number_seq.nextval into :plz.id_number from dual.
The number incremented and insert in database but it wont apear in the forms..
Could anyone knows here how to solve this..

Hello,
Pls create a function in the backend which will return the next sequence,assign the next sequence into the block.field value and then do the insert.This approach will ensure that you know the id before insert.
Also do execute query after commit processing,so that you can see the the id in the front end.
Regards
Mohan

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