private void buttonSave_Click(object sender, EventArgs e) {
   ReceptionSelection selectedRec = (ReceptionSelection)comboBoxReception.SelectedItem;
   GetMenu_Result selectedMenu;
   if(selectedRec != null) {
     try {
       using(ProjetSGBDEntities context = new ProjetSGBDEntities()) {
         context.NewReservation(selectedRec.Id, CurrentClient.Id, CurrentClient.Acronym);
         if(dataGridViewDessert.SelectedRows.Count == 1) {
           selectedMenu = (GetMenu_Result)dataGridViewDessert.SelectedRows[0].DataBoundItem;
           context.NewReservedDish(CurrentClient.Id, selectedMenu.DishId, selectedRec.Id, CurrentClient.Acronym);
         }
         if(dataGridViewMainCourse.SelectedRows.Count == 1) {
           selectedMenu = (GetMenu_Result)dataGridViewMainCourse.SelectedRows[0].DataBoundItem;
           context.NewReservedDish(CurrentClient.Id, selectedMenu.DishId, selectedRec.Id, CurrentClient.Acronym);
         }
         if(dataGridViewStarter.SelectedRows.Count == 1) {
           selectedMenu = (GetMenu_Result)dataGridViewStarter.SelectedRows[0].DataBoundItem;
           context.NewReservedDish(CurrentClient.Id, selectedMenu.DishId, selectedRec.Id, CurrentClient.Acronym);
         }
       }
       Close();
     } catch(Exception ex) {
       ModelError modelError = new ModelError(ex);
       MessageBox.Show(modelError.Message, "Erreur fatale!", MessageBoxButtons.OK, MessageBoxIcon.Error);
       DialogResult = DialogResult.None;
     }
   }
 }