How to set the LOV value programmatically?

Hello,
I have a LOV (select list with submit) the value (displayed and corresponding returned) of which I would like to set by selecting a row in a report.
What is the event I use to catch the selection of the row in the report and what would be the sample code to set the LOV values?
Thanks a lot!
Gabor

Perhaps a more detailed explanation of the issue helps:
I am developing an online internet bookmarking application. It basically contains a folder tree and bookmarks within the folders.
The folder tree is implemented by a table referencing itself (main columns are: ID, NAME, PARENT_ID).
The LOV lists the NAMEs (actually, the full path of each folder as returned by a function) and returns the IDs.
When the user selects a NAME, folders and bookmarks contained in that folder are listed in a report (non-recursively).
The action of the user clicking a folder in the report should simulate the above as if they selected the name manually. This is where I need help!
I hope this helps. Thanks!
Gabor

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Hello,
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Hello Shay,
I have the impression that you don't understand my problem. So here step by step:
1. Create a offline Table TEST with one column TEST: VARCHAR2(20). nullable=true, no default value.
2. Generate the table to the database
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Column Name | Data Type | Nullable | Data Default | COLUMN ID| Primary Key | COMMENTS
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Best regards Thomas
Edited by: thmayr on May 28, 2009 9:05 AM
Edited by: thmayr on May 28, 2009 9:31 AM

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Any help?
thx

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ERROR_ID NUMBER;
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