private void BTN_ajouterTypeFormation_Click(object sender, RoutedEventArgs e)
        {
            string typeFormation = TB_nomTypeFormation.Text;

            try
            {
                TB_message.Text = String.Empty;
                if (FormationsController.AddDomaineFormation(typeFormation))
                {
                    TB_message.Text          = "Ajout Effectuer";
                    TB_nomTypeFormation.Text = String.Empty;
                }
                else
                {
                    TB_message.Text = "Ajout erreur";
                }
            }
            catch (Exception)
            {
                throw;
            }
        }