public TransportMaterialPage() { InitializeComponent(); int year = (int)(App.Current as App).action.year; int season = (int)(App.Current as App).action.season; season = MainAction.ConvertSeason(season); transportMaterialAction = new TransportMaterialAction((App.Current as App).accessDB, year, season, (App.Current as App).action.name); DataTable transportMaterial = new DataTable(); transportMaterial = transportMaterialAction.getTransportMaterial(); transportMaterialsDateGrid.ItemsSource = transportMaterial.DefaultView; }