Problem in Asp.net built in Role Management System

Hi

I am try to use asp.net buitin role maanagement system and i make two users one have site admin role and other have basicuser ok and i put condition if role is site admin than go to admin panel else go to base user panel. but problem is that when i give the site admin or basic user it goes to basic user panel either i am giving site admin what is problem i do not know any one can help me i attaching application which i have created and in text file i have put the user name and passwords........