public ActionResult AddStation(AdminModel modelIn) { var lineIn = _lineBll.GetLineById(modelIn.Line.Id); var stationInDb = new DbStation() { StationName = modelIn.Station.StationName, NumberOnLine = modelIn.Station.NumberOnLine, TrainLine = lineIn }; var stationIn = new RepositoryModelStation() { StationName = modelIn.Station.StationName, NumberOnLine = modelIn.Station.NumberOnLine, TrainLine = lineIn }; _stationBll.AddStation(stationIn); lineIn.Stations.Add(stationInDb); _lineBll.UpdateLine(lineIn); ViewBag.line = lineIn; var model = new AdminModel() { Line = lineIn }; ViewBag.line = lineIn; ViewBag.added = "true"; return(View("EditLine", model)); }