website

Question

i create a two .aspx forms on first i have taken a linkbutton called login when anyone click on that a login form opens and when anyone give right login details and click on login button than that login link button should be change in logout button can it possible in ASP.NET with c#

i am not using Memberships controls like login or etc.
i have created my own sql tables...

pls help its urgent


Thanks
Chester !