Populating a report column(Popup lov) based on the other column.

I have a report where a column that is a Popup Lov(Query based LOV) needs to be populate based on another column in the same report.
For example, if the column1 has query based lov select statment "select a,b,c from tab where d= *<<col2>>* ".
I would like to have a sql query based on the values of second report column. Any ideas are appreciated.
Regards,
madhu

You can do that only if you use apex_item. See this example as a reference:
http://apex.oracle.com/pls/otn/f?p=31517:176
In this example the second select list query depends on the first select list column value.
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://apex.oracle.com/pls/otn/f?p=31517:1
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Populating a report column(Popup lov) based on the other column.

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