public void Refresh()
        {
            No         = null;
            Code       = null;
            Name       = null;
            From       = null;
            To         = null;
            OrdersList = DaoController.Current.GetOrdersList(OrderType);
            if (OrderType == OrderBaseTypes.Released)
            {
                OrdersList = OrdersList.Where(i => i.DocumentType != 0).ToList();
            }
            RaisePropertyChanged(() => OrdersList);
            RaisePropertyChanged(() => Summary);

            RaisePropertyChanged(() => SendButtonVisibility);
            RaisePropertyChanged(() => SyncVisibility);
        }