The asynchronous action method 'Login' returns a Task, which cannot be executed synchronously.

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C#

MVC5

Hello everyone,

I have facing issues in MVC 5 at the run time.


Error is coming below line.

var rc = new RequestContext( new HttpContextWrapper(Context), routeData);
controller.Execute(rc);

Code Details are

[HttpPost]
       [AllowAnonymous]
       [ValidateAntiForgeryToken]
       public async Task<ActionResult> Login(LoginViewModel model, string returnUrl)
       {
           if (ModelState.IsValid)
           {
               var user = await UserManager.FindAsync(model.UserName, model.Password);
               if (user != null)
               {
                   await SignInAsync(user, model.RememberMe);
                   // Encrypt the ticket and Create the cookie.
                   EncryptTicketCookies(model);
                   return RedirectToLocal(returnUrl);
               }
               else
               {
                   ModelState.AddModelError("", Messages.InvalidUidPwd);
               }
           }

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

protected void Application_AuthenticateRequest(Object sender, EventArgs e)
{
    // Get the authentication cookie
    string cookieName = FormsAuthentication.FormsCookieName;
    HttpCookie authCookie = Context.Request.Cookies[cookieName];

    // If the cookie can't be found, don't issue the ticket, redirect to the login page.
    if (authCookie == null)
    {
         var routeData = new RouteData();
         routeData.Values["controller"] = "Account";
         routeData.Values["action"] = "Login";
         IController controller = null;
         controller = new AccountController();

        var rc = new RequestContext( new HttpContextWrapper(Context), routeData);
        controller.Execute(rc);
    }
}

System.InvalidOperationException' occurred in System.Web.Mvc.dll but was not handled in user code.
Additional information: The asynchronous action method 'Login' returns a Task, which cannot be executed synchronously.


Please help me?


Thanks in advance!!!