public string GetImage(InputView input)
        {
            //Server.Transfer("/Home");
            //var aa = HttpContext.Request.Browser.Type;
            var cacheService = new InMemoryCache();

            var data = cacheService.GetOrSet("images", () => GetData());

            //var data = System.IO.File.ReadAllText(Server.MapPath(@"~/App_Data/data.json"));
            DataView datView = new JavaScriptSerializer().Deserialize <DataView>(data);

            short ind = 0;

            if (HttpContext.Session["ind"] == null)
            {
                HttpContext.Session["ind"] = 0;
            }
            ind = Convert.ToInt16(HttpContext.Session["ind"]);

            var imgStr = String.Empty;

            if (ind >= datView.imgs.Count())
            {
                ind = 0;
            }

            List <Img> imgList = new List <Img>();

            for (var i = ind; i < ind + NUM_IMAGES; i++)
            {
                imgList.Add(datView.imgs[i]);
            }
            imgStr = new JavaScriptSerializer().Serialize(imgList);

            //img = datView.imgs[ind].img;

            ind += NUM_IMAGES;
            HttpContext.Session["ind"] = ind;

            return(imgStr);
        }