public override void ExecuteDelete()
 {
     if (SelectedCashMissing != null && ConfirmDelete())
     {
         CashMissingHelper.Delete(SelectedCashMissing);
         SaveChanges();
         CashCollection.Remove(SelectedCashMissing);
     }
 }
        public void SaveNewDetails()
        {
            // TODo after save item
            if (SelectedCashMissing != null && ConfirmDialog("Desea Guardar los cambios", "Confirmar"))
            {
                CashMissingHelper.AddOrUpdate(SelectedCashMissing);
                SaveChanges();
                ForceRefresh = true;
                RaisePropertyChanged("CashCollection");

                ViewModelManager.CloseModal();
            }
            else
            {
                UndoChanges();
            }
        }