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I tried to code nothing in on-update, and hoping this will override the built-in update function. But there is no update sign as insert or delete sign. So everytime, when I change sth, then I have to click save, I got error "frm-40501: oracle error: unable to reserve record for update or...

I am using forms9i, the [x] sign on the corner of the screen seems need some code to work. I put hide_window('win_name') under when_window_closed trigger, but it doesn't work. Which trigger is associated with [X]? Thank you!

When I do the union like this, it works, select a, b, c from A union select d, e, to_number(NULL) from B; But when I put it inside a view: create or replace view XXX AS (select a, b, c from A union select d, e, to_number(NULL) from B; ) The view can be created, but when I did any...

I use new_form(...) to navigate between different forms, how to get rid of the message: "Do you want to save the changes?" I wrote my own alert at each navigation button in each form, but I still couldn't get ride of the un-desired message. I set system message level to 25, but it...

I created my customized menu, and attached it to the form, but I also want to keep the smart bar for insert, update and delete, etc. I tried a long time, but it seems I can either have my own menu or default+smartBar menu. How to have customized menu plus smart bar menu? thank you very much!