Stuck in Nested forms

Hi,
I have a Parent form and inside that a nesed form 
in the parent form i m displaying values of an Enumerated parameter and for each Option in the Child form i m dispalying 3 values of another enumerated parameter.
Throught httpunit when i m taking the respone of the parent form i m getting only the first value of the Enum ,but for the child form in the response i m getting all the values .
How do i access all the values of the Enunerated parameter in the parent form .
Thanks in advance,
Say