Pre populate an item with source type="Database Column"

Hello gurus,
How can I pre populate an item with source used "Always, replacing any..." and source type="Database Column"?
I have a form that creates/updates rows in a table and when creating a new row I want to populate some of the fields based on some parameters from the previous page. How can I achieve this?
I tried adding a conditional process when PK is null and populate the expected fields, but in the browser they are not shown with those values, even if I look into the session I can see that they have the values assigned in the process ?!?!?!
Thanks in advance,
Florin

Florin,
Use the Default Value item attribute. In you case, set the Default Value Type to Static Text with Session State Substitutions and enter your item using the &P1_ITEM_NAME. syntax in the Default value text box.
Thanks,
- Scott -

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CREATE TABLE T_PARENT
ID NUMBER NOT NULL
, STAFFID VARCHAR2(20)
, CONSTRAINT PARENT_PK PRIMARY KEY
ID
ENABLE
insert into T_parent values (1, '77258317');
commit;
create table T_child as
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Reproduced:
http://apex.oracle.com/pls/apex/f?p=54920:57:106342795192226::::P57_ID:1
If I for e.g. use an item with static assignment, it works fine.
Cheers,
Trent
Edited by: trent on Apr 19, 2013 11:59 AM
Also, it works fine when you reference the PK column.

Just like with the paginate, the problem may also happens when you change the sort column or direction by clicking on the header.
If the item in the WHERE clause was being set fromt he URL this wouldn't be an issue because it would be saved on the Persisten Session state.
Regarding session state, there are two kinds Temporary or in memory and Persistent. When the page is rendering the item values are only on the Temporary session state. This is why the report renders correctly on page load.
The item value won't go to Persistent session state until the page is submitted. Item values also go to Persistent session when they are passed in the URL, or explicitly set with a computation, etc..
The Session state Dialog can only show the Persisten session state which is saved in DB tables. It's unable to show you the values during page render. For that you need other mechanisms like debug messages.
I think that when you set page item as SQL query and Only when current value session state is null the value must be saved to Persistent session state. If you can examine the value with the Session Dialog then that would confirm that.
Hope this helps.
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-Jorge

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==========================================================
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Pre populate an item with source type="Database Column"

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