public VMNaesteUgePlan()
        {
            _relayCommandTilfoejRedigereRet = new RelayCommand(TilfoejRedigereRet);
            _relayCommandTilfoejJob         = new RelayCommand(TilfoejJob);
            _relayCommandFjernJob           = new RelayCommand(FjernJob);

            _retJobBeskrivelser = new ObservableCollection <Job>();
            DagList             = new List <string>();
            JobTypeList         = new List <string>();

            LoadAlt();

            SelectedItem = -1;

            RetTekstBox = null;
            Navn        = null;
            UgeNr       = UgeHandler.GetNaesteUge();

            if (RetList != null)
            {
                RetMandag  = RetList[0];
                RetTirsdag = RetList[1];
                RetOnsdag  = RetList[2];
                RetTorsdag = RetList[3];
            }
        }
        public async void Load()
        {
            HusNr = await FileHandler.LoadHusNrListeJsonAsync();

            Dag = UgeHandler.GetDagListe();
        }