public ActionResult Login(LoginModel model, string returnUrl)
        {
            if (ModelState.IsValid && (model.Email=="*****@*****.**" && model.Password=="login123"))
            {
                FormsAuthentication.SetAuthCookie(model.Email, false);
                return RedirectToLocal(returnUrl);
            }

            // If we got this far, something failed, redisplay form
            ModelState.AddModelError("", "The user name or password provided is incorrect.");
            return View(model);
        }
        public ActionResult Auth(LoginModel model)
        {
            if ((ModelState.IsValid) && (MvcApplication.registeredUsers.FirstOrDefault(x => x.Email == model.Email && x.Password == model.Password) != null))
            {

                FormsAuthentication.SetAuthCookie(model.Email, false);

                return RedirectToAction("AuthorizeExternalAccess");
            }

            // If we got this far, something failed, redisplay form
            ModelState.AddModelError("", "The user name or password provided is incorrect.");
            return View(model);
        }