How to edit Value field Editting dialogue programmatically

[drd1988on]

Hi,
I am a java developer.
In my project i wants to create pivot table programmatically.
For that am using smartxls for creating pivot table.
In that table i wants to apply "% of column" option from Value field Editting dialogue ,to a particular column in pivot table.
How will i do it programmatically???
Could anyone please help me ,as I need urgent solution for this....
Regards
Divya R Dharan