public void Update() {
    if (m_tvNotes != null) {
      SelectStationActivity parentActivity = (SelectStationActivity) getSherlockActivity();
      if (parentActivity.HasLimits()) {
        m_tvNotes.setVisibility(View.VISIBLE);
      } else {
        m_tvNotes.setVisibility(View.INVISIBLE);
      }
    }

    if (m_oExpListAdapter != null) {
      SelectStationActivity parentActivity = (SelectStationActivity) getSherlockActivity();
      m_oExpListAdapter.Update(parentActivity.GetStationList());
      m_oExpListAdapter.notifyDataSetChanged();
    }
  }