Can we Export selected columns of a table in ADF 11g

Hi,
My problem is I want a table to be exported to Excel format.But my condition is only particular cloumns of a table to be exported not all the visible columns of the table.
For example, I have 8 cloumns in a table.I need pre-determined 5 cloumns only to be exported into Excel format.I dont want to use PanelCollection Views-->Collumns to be sellected.
Sorry,I dont know whether this is a valid question or not.But Im looking for this condition.
Can you please help me.
Regards,
Felix

I dont know how to continue.
I have emloyee table in the HRSchema.
I used employee table in the PanelCollection
All the collumns are in display.
Here in a commandButton I use a ExportCollectionListener for which id i used the employee table id.
If I click the button it exports all collumns
I dont know what condition I can give in the EL expression in the render or visible property of the collumn.
can you please give further more ideas,
Regards,
Felix

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