HttpContext.Current.Cache.Add(DummyCacheItemKey, String.Empty, null,

            DateTime.MaxValue, TimeSpan.FromMinutes(1), System.Web.Caching.CacheItemPriority.Normal,

            new System.Web.Caching.CacheItemRemovedCallback((x, y, z) => new System.Net.WebClient().DownloadData("HTTP://127.0.0.1/index.aspx" )));