Global.asax.cs

using System;
using System.Web;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using WebApplication5.Models;
using ispsession.io;

namespace WebApplication5
{
    public class MvcApplication : System.Web.HttpApplication
    {
        public override void Init()
        {
            this.PostAcquireRequestState += MvcApplication_PostAcquireRequestState;
            base.Init();
        }

        private void MvcApplication_PostAcquireRequestState(object sender, EventArgs e)
        {

            var application = HttpContext.Current.ApplicationCache();
            if (!application.KeyExists("cachethis"))
            {
                application["cachethis"] = new SomeViewClass { SomeString = "Highly Cachable stuff", someDate = DateTime.Now };
            }
        }

        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);
        }
    }
}