public JsonResult JsonLogin(LoginModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                var user = RavenSession.Query<User>().FirstOrDefault(u => u.Name == model.UserName);

                if (user != null && user.ValidatePassword(model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    return Json(new { success = true, redirect = returnUrl });
                }
                else
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                }
            }

            // If we got this far, something failed
            return Json(new { errors = GetErrorsFromModelState() });
        }
        public ActionResult Login(LoginModel model)
        {
            if (ModelState.IsValid)
            {
                var user = GetUser(model.UserName, model.CommandCompanyId);

                if (user != null && user.ValidatePassword(model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(model.ReturnUrl))
                    {
                        return Redirect(model.ReturnUrl);
                    }
                    else
                    {
                        return RedirectToAction("Index", "Competition");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }
        public ActionResult Login()
        {
            var model = new LoginModel();
            model.ReturnUrl = Request.QueryString["returnUrl"];

            return View(model);
            //return ContextDependentView();
        }