public ActionResult Create(UserAccount accountToCreate)
        {
            if (ModelState.IsValid)
            {
                // If the accountToCreate object is valid
                // we'll need to save it in a database
                Catalogue.Models.CatalogueDBEntities userAccounts = new Models.CatalogueDBEntities();
                userAccounts.Database.CreateIfNotExists();

                if (userAccounts.Users.Count<Models.User>() > 0)
                    foreach( Models.User user in userAccounts.Users)
                    {
                        if(string.Compare(accountToCreate.UserName.ToLower(), user.UserName.ToLower()) == 0)
                        {
                            ViewBag.Error = "Username already exists";

                            return View(accountToCreate);
                        }
                    }

                Models.User newUser = new Models.User();

                newUser.UserName = accountToCreate.UserName;
                newUser.Email = accountToCreate.Email;
                newUser.UserID = userAccounts.Users.Count<Models.User>() + 1;

                SHA512 encryption = SHA512CryptoServiceProvider.Create();
                byte[] data = new byte[accountToCreate.Password.Length];
                byte[] result;

                for(int i = 0; i < accountToCreate.Password.Length; i++)
                    data[i] = (byte)accountToCreate.Password[i];

                result = encryption.ComputeHash(data);

                string newString = "";

                for (int i = 0; i < result.Length; i++)
                    newString += String.Format("{0:X2}", result[i]);

                newUser.Password = newString;

                userAccounts.Users.Add(newUser);
                userAccounts.SaveChanges();

                // After saving we'll redirect the user back to Login's Index page
                return Redirect("/");
            }

            // Invalid -- redisplay form with errors
            return View(accountToCreate);
        }
 //
 // GET: /Login/Create
 public ActionResult Create()
 {
     UserAccount newAccount = new UserAccount();
     return View(newAccount);
 }