To Create a Oracle Form based in View.

Step#1 – Create Data block based on the view.
Step#2 – Create On-Update /On –Insert Trigger to update/insert data of base tables (on which view has constructed). In case you are not interested in writing Form based triggers you can write database In-Stead of trigger on View.
Step#3 – Create ON – Lock Trigger on View based block and Enter following code in that BeginNULL;End;
Step #4 – There is no Step #4 – You are ready to go.