//public RelayCommand AddElevCommand { get; set; }

        public void AddNyElev()
        {
            Model.KlasseInfo TempKlasseInfo = new Model.KlasseInfo();
            TempKlasseInfo.Fornavn   = nyElev.Fornavn;
            TempKlasseInfo.Efternavn = nyElev.Efternavn;
            TempKlasseInfo.Email     = nyElev.Email;
            TempKlasseInfo.GitNavn   = nyElev.GitNavn;
            TempKlasseInfo.MobilNr   = nyElev.MobilNr;
            Listen.Add(TempKlasseInfo);
        }
 public KlasseViewModel()
 {
     KListe          = new Model.KlasseListe();
     AddElevCommand  = new AddElevCommand(AddNewElev);
     NewElev         = new Model.KlasseInfo();
     SletElevCommand = new SletElevCommand(SletElev);
     localfolder     = ApplicationData.Current.LocalFolder;
     SaveCommand     = new RelayCommand(GemDataTilDiskenAsync);
     HentDataCommand = new RelayCommand(HentDataFraDiskenAsync);
     SletAlleCommand = new RelayCommand(SletAlle);
 }
        //

        public KlasseViewModel()
        {
            Listen       = new Model.HovedKlasseListe();
            SelectedElev = new Model.KlasseInfo();
            // AddElevCommand = new RelayCommand(AddNyElev);
            AddElevCommand    = new ViewModel.AddElevCommand(AddNyElev);
            DeleteElevCommand = new DeleteElevCommand(DeleteElev);
            nyElev            = new Model.KlasseInfo();
            GemDataCommand    = new RelayCommand(GemDataTilDiskAsync);
            HentDataCommand   = new KlasseListe.RelayCommand(HentDataFromDiskAsync);
            localfolder       = ApplicationData.Current.LocalFolder;

            ClearListeCommand = new RelayCommand(ClearListe);
        }