private void ShowManualProcessItems() { oVoucherList = oDeclaration.GetExceptionTicketsByPos(this.BarPositionName, this.CollectionNo); try { if (_voucherListActual != null && oVoucherList != null) { oVoucherList = (from v in oVoucherList join a in _voucherListActual on v.strBarcode equals a select v).ToList(); } } catch (Exception ex) { ExceptionManager.Publish(ex); } if (oVoucherList == null) { oVoucherList = new List <ExceptionVouchers>(); } Binding bind = new Binding(); bind.Source = oVoucherList; lstVouchers.SetBinding(ListView.ItemsSourceProperty, bind); this.ShowVoucherScreen(); }