Helping ChoiceGroup

Dear all,

I would create 2 choice group where 1st choice group have some content and I would be where 2nd choice group content I generate after I choice option at 1st choice group how to make this action??? Does any body can helping me??? All choice group at same Form.

add itemstatelistener on choice group1 when items changed an event if fired on ItemStateChenged where you can code for choice group2.

can you give me example or lictrature fot his???