public JsonResult SignUp(RegisterModel model)
 {
     if (ModelState.IsValid)
     {
         // Attempt to register the user
         try
         {
             WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
             WebSecurity.Login(model.UserName, model.Password);
               return Json(new { success = true});
         }
         catch (MembershipCreateUserException e)
         {
             ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
         }
     }
     return Json(new
     {
         success = false,
         errors = ModelState.Keys.SelectMany(k => ModelState[k].Errors)
                         .Select(m => m.ErrorMessage).ToArray()
     });
 }
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                // Attempt to register the user
                try
                {
                    WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
                    WebSecurity.Login(model.UserName, model.Password);
                    return RedirectToAction("Index", "Home");
                }
                catch (MembershipCreateUserException e)
                {
                    ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }