Trying to connect to a data-driven site

I am trying to connect to a data-driven site hosted by godaddy.com.  I developed everything in ASP.NET and SQL Server.  I have about 8 or 9 web forms, including a login form.  The login form is the default.aspx, of course.  On my local machine, I can load the login form, login, and navigate through the site just fine.  When I prepare this project for godaddy.com, I change the connection string, and FTP it up to the server.  When the project gets on the server, the login page is displayed, but when I go to login the whole project crashes.  Also, if I create a new account, the site crashes; exactly same result.  I know the files are on the server, and I know the DB is on the server (3 tables total; kind of small).  The tables look different on the godaddy server than they look on my local SSMS.  I don?t know if this is normal or what.  For instance, on my local SSMS, I have two fields in one of my Tables; table is n ...