public ActionResult EditTrack(EditTrack model)
        {
            /*TODO
             * jak wracamy z wyboru nowego artysty to żeby wrócić do miejsca edycjia, a nie listy od nowa, bo w sumie wtedy co klikneliśmy to sobie tak zniknęło i trochę bez sensu :/ */
            int NewArtist = 0;

            if (Request.QueryString["TrackId"] != null)
            {
                model.TrackId = (int)double.Parse(Request.QueryString["TrackId"]);
            }
            if (Request.QueryString["ArtistId"] != null)
            {
                NewArtist = (int)double.Parse(Request.QueryString["ArtistId"]);
            }

            if (TempData["TrackInEdit"] != null)
            {
                // model.TrackId = (int)TempData["TrackInEdit"];
            }

            /*
             *
             *
             * http://localhost:58803/Track/EditTrack?TrackId=2137&ArtistId=1488
             * Tak powinien wygladać zawsze link do  edycji track,a bedzie chyabtak łatwiej
             */

            if (model.TrackId != 0)
            {
                model = DetailTrackDB.DetailTracktoEdit(model.TrackId);

                if (model.ArtistId == 0)
                {
                    var Artist = DetailArtistDB.DetailFromId(0);
                    model.Firstname = Artist.Firstname;
                    model.Lastname  = Artist.Lastname;
                }
                Cookies.RememberDateFromModel(model.ReleaseDate);
                Cookies.Today();
                TempData["TrackInEdit"] = model.TrackId;
                return(View(model));
            }
            else
            {
                //model = DetailTrackDB.DetailTracktoEdit(13);
                //  return View(model);
                return(RedirectToAction("ListTrack"));
            }
        }
        public ActionResult DetailsTrack(DetailTrackWithArtist model)
        {
            if (Request.QueryString["TrackId"] != null)
            {
                model.TrackId = (int)double.Parse(Request.QueryString["TrackId"]);
            }
            if (model.TrackId != 0)
            {
                model = DetailTrackDB.DetailFromId(model.TrackId);
            }
            else
            {
                return(RedirectToAction("ListTrack"));
            }

            return(View(model));
        }
        public ActionResult ListTrack(List <DetailTrackWithArtist> List, int?Page, string sortOrder)
        {
            int PageSize   = 10;
            int PageNumber = (Page ?? 1);

            if (List != null)
            {
                return(View(List.ToPagedList(PageNumber, PageSize)));
            }
            else
            {
                List = DetailTrackDB.ListAll();


                ViewBag.TitleSortParm     = String.IsNullOrEmpty(sortOrder) ? "TitleDesc" : "Title";
                ViewBag.FirstNameSortParm = sortOrder == "FirstName" ? "FirstNameDesc" : "FirstName";
                ViewBag.LastNameSortParm  = sortOrder == "LastName" ? "LastNameDesc" : "LastName";
                ViewBag.DateSortParm      = sortOrder == "Date" ? "DateDesc" : "Date";
                List = TrackFunctions.OrderListTrack(List, sortOrder);
                return(View(List.ToPagedList(PageNumber, PageSize)));
            }
        }