All the field must be fill

Question

I have a form with 2 tables
I have here one button
I wanna put a code in this button that when I press this button check that all the fields must be fill
I use this code in when button press
declare
v_alert number;
begin
      v_alert := Show_Alert('close');  --( do you want to close OK/Cancel)
      IF v_alert=ALERT_BUTTON1 THEN
     if :v_code is null      or :v_name is null then     
      set_alert_property('close',alert_message_text,'Please Enter Vessel Code & Name');
        v_alert := Show_Alert('close');
end;when i put vessel code and name and then again press button
this alert also show me??

Answer 1

Moazam
Actual it is req.
I have 0ne form/document and I want to close this document, it means after close this doc / form we consider that now we can not enter any information and this document is competed.
thatswhy I check with button .. one button to close this doc.. when button press first check all form text that all the text are fill or not if not fill then show the alert or mesg ..
finally I correct this code ,, i have done this work.