What is the best to autenticate with out using the standar roles from VStudio.
The controls within visual studio really just make it easier for you to develop. However, you could just create your own tables for users and just have a form to have them input usernames and passwords, look up the info in the DB, then store the relevant information in session/cookies.
However, you would also have to build the password reset pages, user profile settings, etc...
You should be able to find quite a bit of examples on the Internet including different approaches.
Any specific reason not to use the asp.net controls?
cant modify DB, i already did the manual login, but having a little bug, that is when i enter the adress of the admin it works and goes to the error page, but when i back in the browser its show the page.