i am using Ajax 
TabContainer

there is a drop down  in tab the Tab Its bound with database (sqlserver)
and on selectIndex change Event Fired to fill the other drop down
(Post Back)...
I m using update panel to get rid of post back but its not working as it normally works ..
And I have some Controlls out side the 
TabContainer

 as Well
So plz help me to let me know how should i Manage It??