Sir I want that suppose when the user logins ,user is redirected to FrmDetails Form....I m running my project on localhost..Now when the user clicks on sign out,I want to clear the session..SO that suppose user types http://localhost/mysite/FrmUserDetails.aspx in the same browser after when he clicks on sign out,I want the user to redirect to Registration form. I m clearing the session values Session.Clear(); on sign out clear,But the values are not clear!!!