protected void Page_Load(object sender, EventArgs e)
        {
            int  attractionId;
            bool isFound = false;

            if (int.TryParse(Request.QueryString["aid"], out attractionId))
            {
                var attraction = service.FindAttraction(attractionId);
                if (attraction != null)
                {
                    isFound = true;
                    if (IsAttractionReserved(attractionId))
                    {
                        pnlConfirm.Visible = false;
                        Message.Text       = "Attraction is already reserved.";
                    }
                    else
                    {
                        pnlConfirm.Visible = true;
                        AttractionId.Value = attractionId.ToString();
                        Message.Text       = String.Format("Do you really want to reserve the attraction: name: '{0}'; price: {1} ",
                                                           attraction.Nazwa, attraction.mCena);
                    }
                }
            }
            if (!isFound)
            {
                Message.Text = "Attraction is not found.";
            }
        }
        // GET: Attractions
        public ActionResult Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            tAtrakcjeUslugi attraction = service.FindAttraction(id.Value);

            if (attraction == null)
            {
                return(HttpNotFound());
            }
            ConfigureViewBag(attraction, AuthorizeUtil.GetUserId(service, User));
            return(View(attraction));
        }