private async void OnAddFaculty()
{
SelectedFaculty.FacultyId = 0;
var facultyNames = (await _repo.GetFacultiesAsync()).Select(f => f.Name).ToList();
if (facultyNames.Contains(SelectedFaculty.Name))
{
MessageBox.Show("Факульте с таким именем уже существует.", "Ошибка");
return;
}
var result = await _repo.AddFacultyAsync(SelectedFaculty);
Faculties.Add(result);
}
public async Task LoadDataLists()
{
Faculties = new ObservableCollection <Faculty>(await _fRepo.GetFacultiesAsync());
Specialities = new ObservableCollection <Specialty>(await _repo.GetSpecialtiesWithFacultyAsync());
}