Problems loading saved item in LOV :-(

I have two LOV's
these are cascaded lists
say p12_customer_name (parent) belongs to customer table
and p12_project_list_id (child) belongs to items table
When a customer name is selected , all the projects related to that customer are loaded in project_list_id LOV. I can perfectly create a new entry and it saves the data in the database as well
Now when I click on the edit icon from an interactive report it loads everything apart from selected customer name and project name.
here is how the table relation goes.
there is one table called "*Items*" based on this table the interactive report is been created.
this table has a column called project_list_item_id which is fk to "*project_list*" table which contains Customer_id column which in turn is fk to "*customer*" table.
I need help as to how can I load the saved customer data??
Any help on this would be beneficial.
Thank you :-)
ps: I am using Apex 4.2 (recent update)

Hi,
you will need a process or computation to populate your P12_customer_name/id page item, because it's not a database column.
The process/computation should fire after the "Fetch" process on your page which populates the database column based p12_project_list_id.
Try something like (if you use a computation of type SQL)
select customer_id
from project_list
where project_list_item_id = :p12_project_list_idYou should also have a condition to only fire the process/computation if p12_project_list_id is not null, so that it doesn't fire if you are in CREATE mode.
Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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