// Create a new user object.
            user newUser = new user
            {
                user_email = "bclau_90@yahoo.com",
                user_rank = 10,
                user_password = "password"
            };

            // Add the new object to the users collection.
            LearnASPDataContext myDB = new LearnASPDataContext();
            myDB.users.InsertOnSubmit(newUser);

            // Submit the change to the database.
            try
            {
                myDB.SubmitChanges();
            }
            catch (Exception e)
            {
                return e.Message;


                // Make some adjustments.
                // ...
                // Try again.
                //myDB.SubmitChanges();
            }