private void ComboBoxNameOnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
_currentIndex = DgEtudiant.SelectedIndex;
(DgEtudiant.DataContext as DataSet)?.Clear();
var name = (sender as ComboBox)?.SelectedItem as string;
_sqliteDataBase.SortOnName(name);
_sqliteDataBase.Fill(_sqliteDataBase.DataSet);
UpdateEnregistrement();
// Err(11)
DgEtudiant.SelectedIndex = _currentIndex;
}