public void ProcessRequest(HttpContext context)
    {
        string type = context.Request["type"];
        string id = context.Request["id"];
        if (context.Request.Files.Count == 0)
        {
            LogRequest("Nessun file selezionato");
            context.Response.ContentType = "text/plain";
            context.Response.Write("Nessun file selezionato");

        }
        else
        {

            HttpPostedFile uploadedfile = context.Request.Files[0];

            string FileName = uploadedfile.FileName;
            string FileType = uploadedfile.ContentType;
            int FileSize = uploadedfile.ContentLength;
            string id_photo = "0";
            string imgSmall = string.Empty;
            string result = string.Empty;
            
            LogRequest(FileName + ", " + FileType + ", " + FileSize);
            switch (type)
            { 
                case "news":
                    tipoNewsPhoto photo = new tipoNewsPhoto();
                    photo.ImmagineUpLoad = uploadedfile;
                    photo.Descrizione = string.Empty;
                    photo.Posizione = "0";
                    photo.Id_Photo = News.SalvaPhoto(photo);
                    id_photo = photo.Id_Photo;
                    imgSmall = photo.Immagine_Small;
                    
                    break;
            }

            if(id_photo != "0" && id_photo != string.Empty) 
                result = "{\"name\":\"" + imgSmall + "\",\"type\":\"" + FileType + "\",\"size\":\"" + FileSize + "\",\"id_photo\":\"" + id_photo + "\"}";
            else
                result = "{\"name\":\"\",\"type\":\"\",\"size\":\"\",\"id_photo\":\"0\"}";
            
            context.Response.ContentType = "text/plain";
            context.Response.Write(result);
        }

    }