How to edit the automatic line processing (DML)?

Hello

I'm on Apex4.2

I created a form on a Table with report and a form is using automatic line (DML) to add/change/remove treatment.

I specified "trigger existing" as a source of a primary key column.

How can I change it to "existing sequence" instead? Is it at all possible the?

The other question is to know how to add an element to deal with by automatic line treatment?

I added a column to the underlying table and corresponding page element. I need to write the default value of this object to the database.

I added the name of the column in the Source of the page item definition. And it has the same value "Always, replace any value.."

The element must be thouh "view only". If the value of the element is null, the default value must be written in the db.

It doesn't work that way for a reason any. -What did I do wrong?

Thank you.

Hi Bloch,

I'm on Apex4.2

I created a form on a Table with report and a form is using automatic line (DML) to add/change/remove treatment.

I said 'Existing trigger' as a source of a primary key column.

How can I change it 'Existing Sequence' instead? It is possible at all?

No, you can change the generation technique of primary key on the form of DML automated after creation.

What is the problem with "existing trigger? Trigger is an elegant way to generate and manage your primary key.

For example, take a look how you can generate a primary key with trigger:

create or replace TRIGGER BIU_EBA_DEMO_FILES
   before insert or update on EBA_DEMO_FILES
   for each row
begin
   if inserting then
       if :new.ID is null then
         select EBA_DEMO_FILES.nextval into :new.id from dual;
       end if;
       :new.created := localtimestamp;
       :new.created_by := nvl(wwv_flow.g_user,user);
   end if;
   if updating then
       :new.updated := localtimestamp;
       :new.updated_by := nvl(wwv_flow.g_user,user);
   end if;
end;

The other question is to know how to add an element to be processed by the transformation of the automatic line?

I added a column to the base table and corresponding page element. I need to write the default value of this object to the database.

I added the name of the column in the Source of the page item definition. And it has the same value "Always, replace any value.."

The element must be thouh "view only". If the value of the element is null, the default value must be written in the db.

It doesn't work that way for a reason any. -What did I do wrong?

I agree with Jitendra solution to add a new element to shape DML, to be processed by the transformation of the auto line.

But I would like to add that the article is "Display Only", check if the settings section of the element-> property to save Session State is set to "Yes" as it will help in the treatment of the form.

Finally, if you still want to go to the primary key generation technique using 'Existing Sequence' and add new items to the form as well, why do you consider not deleting existing shape and recreate the shape with options that your choice and with the same page number.

I hope this helps!

Kind regards

Kiran

Tags: Database

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