// fetch all rows from the SOAP layer and populate the ComboBox with it
        // links:
        //  docLink: http://sql2x.org/documentationLink/4ccfdfd8-9986-4cfe-8743-e0bcde887284
        public void PopulateCombo()
        {
            if (!DesignMode && cboRef.DataSource == null)
            {
                CrudeAircraftIdentifierTypeRefServiceClient aircraftIdentifierTypeRef = null;

                try {
                    aircraftIdentifierTypeRef = new CrudeAircraftIdentifierTypeRefServiceClient();
                    List <CrudeAircraftIdentifierTypeRefContract> contracts = aircraftIdentifierTypeRef.FetchAll();

                    cboRef.DataSource    = contracts;
                    cboRef.DisplayMember = "AircraftIdentifierTypeName";
                    cboRef.ValueMember   = "AircraftIdentifierTypeRcd";
                } catch (Exception ex) {
                    if (ex != null)
                    {
                    }
                } finally {
                    if (aircraftIdentifierTypeRef != null)
                    {
                        aircraftIdentifierTypeRef.Close();
                    }
                }
            }
        }