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)); }