/Code/Source/Teaching.Threading.Web/Controllers/Mvc3AsyncController.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net.Http;

using System.Threading.Tasks;

using System.Web.Http;

using System.Web.Mvc;



namespace Teaching.Threading.Web.Controllers

{

    public class Mvc3AsyncController : AsyncController

    {

        public void IndexAsync()

        {

            AsyncManager.OutstandingOperations.Increment();



            Task.Delay(5000).ContinueWith(t =>

            {

                AsyncManager.Parameters["someParameter"] = 5;

                AsyncManager.OutstandingOperations.Decrement();

            }); 

        }



        public ActionResult IndexCompleted( int someParameter )

        {

            return View();

        }

    }

}