private void dtp_gestionReservation_modif_date_ValueChanged(object sender, EventArgs e)
        {
            int index = GestionClub.getIndexOfReserv(Convert.ToInt32(cb_gestionReservation_modif_adherent.SelectedValue));

            cb_gestionReservation_modif_court.Items.Clear();

            //GestionClub.courtsDispo(cb_gestionReservation_reservation_court, dtp_gestionReservation_reservation_date.Value);
            List <int> courtsDispos = GestionClub.getCourtsDispos(dtp_gestionReservation_modif_date.Value);

            if (courtsDispos.Count > 0)
            {
                foreach (int numCourt in courtsDispos)
                {
                    int indexCourt = GestionClub.getIndexOfCourt(numCourt);
                    cb_gestionReservation_modif_court.Items.Add(GestionClub.getTousLesCourts()[indexCourt].getNumero());
                }
            }
            else
            {
                MessageBox.Show("Auncun courts dispos à cette date/heure exepté celui déjà choisit");
                dtp_gestionReservation_modif_date.Value = GestionClub.getToutesLesReservations()[index].getDtReservation();
            }
        }