cookie

http://www.nullskull.com/a/810/aspnet-cookies-faq.aspx

http://www.codeproject.com/Articles/244904/Cookies-in-ASP-NET

http://www.code-sample.com/2014/08/aspnet-mvc-cookie-implementation.html

http://stackoverflow.com/questions/3716710/how-to-check-cookie-enabled-for-the-browser-or-not

  HttpCookie mswEventIDCookie = new HttpCookie("mswEventIDCookie", id);

            mswEventIDCookie.Expires = DateTime.Now.AddDays(10);

            Response.Cookies.Add(mswEventIDCookie);

            if (Request.Cookies["mswEventIDCookie"] != null)

            {

                id = Request.Cookies["mswEventIDCookie"].Value;

            }

            MSWEvent mswEvent = repository.FindMSWEvent(idnew);

            ViewBag.MSWEventName = mswEvent.Name;

            ViewBag.MSWEventId = mswEvent._id;