private void DeleteSTTFromListAction()
        {
            var item = SourceFromDatabase.Where(O => O.STT == STTSelectedItem.STT).FirstOrDefault();

            item.IsSelected = false;
            PenjualanTemporaty.Remove(STTSelectedItem);
            PenjualanTemporaryView.Refresh();
        }
 private void CancelAction(object obj)
 {
     PackingListSimulation = null;
     PenjualanTemporaty.Clear();
     PenjualanTemporaryView.Refresh();
     Destination = 0;
     Origin      = 0;
     Agent       = null;
     PortType    = PortType.None;
 }