public ZahteviZaPregledViewModel()
        {
            ZahteviZaPregled   = new ObservableCollection <ZahtevZaPregledDtoEL>();
            ResourceParameters = new ZahtevZaPregledResourceParameters {
                EagerLoaded = true, PageSize = ResourceKeys.RowCountZahteviZaPregled.AsResourceType <int>()
            };

            //Commands init
            NextPageCommand    = new Command(NextPage);
            PrevPageCommand    = new Command(PrevPage);
            InitCommand        = new Command(async() => await Init());
            RefreshDataCommand = new Command(async() => await LoadData());
            SearchCommand      = new Command(Search);
        }
        private frmDoktorZahteviZaPregledeDisplay()
        {
            var ID = new DataGridViewTextBoxColumn
            {
                DataPropertyName = nameof(ZahtevZaPregledDtoEL.Id),
                HeaderText       = "ID",
                Name             = "ID",
                CellTemplate     = new DataGridViewTextBoxCell()
            };

            var Pacijent = new DataGridViewColumn
            {
                HeaderText   = "Pacijent",
                Name         = "Pacijent",
                CellTemplate = new DataGridViewTextBoxCell()
            };

            var DatumVreme = new DataGridViewColumn
            {
                DataPropertyName = nameof(ZahtevZaPregledDtoEL.DatumVreme),
                HeaderText       = "Datum i vreme",
                Name             = "Datum i vreme",
                CellTemplate     = new DataGridViewTextBoxCell()
            };

            var IsObradjen = new DataGridViewColumn
            {
                DataPropertyName = nameof(ZahtevZaPregledDtoEL.IsObradjen),
                HeaderText       = "Obrađen",
                Name             = nameof(ZahtevZaPregledDtoEL.IsObradjen),
                CellTemplate     = new DataGridViewTextBoxCell()
            };

            AddColumnsToMainDgrv(new[] { ID, Pacijent, IsObradjen, DatumVreme });

            _apiService        = new APIService(Routes.ZahteviZaPregledRoute);
            ResourceParameters = new ZahtevZaPregledResourceParameters()
            {
                EagerLoaded = true
            };

            InitializeComponent();

            btnNew.Visible  = false;
            btnBack.Visible = false;
        }