What I have is a small file that's serialized. Its a users database. It only have 3 values in it
username. email, and password.

I know how to load the file into the system. I just don't know what to do next. In order to do this I was told to use a web service.

In a asp.net web page. I would have just a small log in page.  'Users Name' and 'Password'

I want the use to be able to log in to the web site from that file. Does some one know what to do next. If I load the file in and Deserialize it. Then what.