private void buttonSave_Click(object sender, EventArgs e) {
   FeelingType feelingtype = (FeelingType)comboBoxFeeling.SelectedItem;
   if(CurrentDish != null && feelingtype != null) {
     try {
       using(ProjetSGBDEntities context = new ProjetSGBDEntities()) {
         context.UpdateWishedDish(CurrentClient.Id, CurrentDish.DishId, feelingtype.Id, CurrentDish.ModifiedAt, CurrentClient.Acronym);
       }
     } catch(Exception ex) {
       ModelError modelError = new ModelError(ex);
       if(modelError.Number == ModelError.DATA_NOT_UP_TO_DATE) {
         MessageBox.Show(modelError.Message, "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
         LoadDishWish(CurrentDish.DishId);
         DialogResult = DialogResult.None;
       } else {
         MessageBox.Show(modelError.Message, "Erreur fatale!", MessageBoxButtons.OK, MessageBoxIcon.Error);
       }
     }
   }
 }