private void buttonDeleteReservations_Click(object sender, EventArgs e)
 {
     if (dataGridViewReservations.SelectedRows.Count == 1)
     {
         GetReservedReception_Result selected = (GetReservedReception_Result)dataGridViewReservations.SelectedRows[0].DataBoundItem;
         DialogResult result = MessageBox.Show("Êtes-vous sûr de vouloir supprimer la réservation " + selected.ReceptionName + "?", "Confirmation de suppression", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2);
         if (result == DialogResult.Yes)
         {
             try {
                 using (ProjetSGBDEntities context = new ProjetSGBDEntities()) {
                     context.DeleteReservation(selected.ReceptionId, CurrentClient.Id, selected.ModifiedAt);
                 }
                 PopulateReceptions();
             } 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);
                     PopulateReceptions();
                 }
                 else
                 {
                     MessageBox.Show(modelError.Message, "Erreur fatale!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
     }
 }
 public FormReservationDetails()
 {
     InitializeComponent();
     CurrentClient    = null;
     CurrentReception = null;
     _starter         = null;
     _mainCourse      = null;
     _dessert         = null;
     _starter_old     = null;
     _mainCourse_old  = null;
     _dessert_old     = null;
 }
 public void LoadReception(int id)
 {
     if (CurrentClient != null)
     {
         using (ProjetSGBDEntities context = new ProjetSGBDEntities()) {
             IQueryable <GetReservedReception_Result> recs = context.GetReservedReception(CurrentClient.Id);
             if (recs.Where(rec => rec.ReceptionId == id).Count() == 1)
             {
                 CurrentReception = recs.Where(rec => rec.ReceptionId == id).First();
             }
         }
     }
 }