private void PackageListControl_Load(object sender, EventArgs e)
        {
            SAPRefTravelAgencyReadWrite agency =
                new SAPRefTravelAgencyReadWrite(Config._dbConnectionName);

            SAPDataSetRefTravelAgency.RefTravelAgencyDataTable agencyData =
                agency.SelectAll().RefTravelAgency;

            SAPDataSetRefTravelAgency.RefTravelAgencyRow agencyRow =
                agencyData.NewRefTravelAgencyRow();

            agencyRow.AgencyNumber = "0";
            agencyRow.AgencyName   = "All";

            agencyData.Rows.InsertAt(agencyRow, 0);
            comboBoxAgency.DisplayMember = SAPRefTravelAgencyReadWrite._agencyNameColumnName;
            comboBoxAgency.ValueMember   = SAPRefTravelAgencyReadWrite._agencyNumberColumnName;
            comboBoxAgency.DataSource    = agencyData;
            comboBoxAgency.SelectedValue = "00000110"; //Bavarian Castle

            RefreshData(comboBoxAgency.SelectedValue.ToString());
        }