private void RefreshFacultyProperty() { Faculties.Clear(); try { Faculty item0 = new Faculty { Id = 0, Name = string.Empty }; Faculties.Add(item0); DbContext.Faculties.OrderBy(x => x.Name).ToList().ForEach(x => Faculties.Add(x)); OnPropertyChanged(nameof(Faculties)); } catch (EntityException e) { OnEntityException(e); } catch (DbEntityValidationException e) { OnDbEntityValidationException(e); } }