private async void listCek() { var id = Application.Current.Properties["id"]; List <LocalProject> lps = await b.getProjects(Convert.ToInt32(id)); idler = new List <int>(); isimler = new ObservableCollection <string>(); foreach (LocalProject lp in lps) { idler.Add(lp.id); isimler.Add(lp.ad); } degerler.ItemsSource = isimler; }