private void FillCombo()
        {
            List <VolarisState> listState = VolarisStateBL.GetAllState();

            foreach (VolarisState stateItem in listState)
            {
                ListItem litem2 = new ListItem();
                litem2.Text = string.Format("{0} - {1}",
                                            stateItem.StateID.ToString(),
                                            stateItem.Name.ToString().TrimEnd());
                litem2.Value = stateItem.StateID.ToString();
                contactStateComboBox.Items.Add(litem2);
            }


            List <VolarisCountry> listCountries = VolarisCountriesBL.GetAllContries();

            foreach (VolarisCountry countryItem in listCountries)
            {
                ListItem litem = new ListItem();
                litem.Text = string.Format("{0} - {1}",
                                           countryItem.Id,
                                           countryItem.Name.TrimEnd());
                litem.Value = countryItem.Id;
                contactCountryComboBox.Items.Add(litem);
            }
        }
        /// <summary>
        /// Loads the data source nationality.
        /// </summary>
        private void LoadDataSourceNationality()
        {
            List <VolarisCountry> listCountries = VolarisCountriesBL.GetAllContries();

            //bindingSource1.DataSource = listCountries;

            foreach (VolarisCountry countryItem in listCountries)
            {
                ListItem litem = new ListItem();
                litem.Text = string.Format("{0} - {1}",
                                           countryItem.Id,
                                           countryItem.Name.TrimEnd());
                litem.Value = countryItem.Id;
                this.NationalityComboBox.Items.Add(litem);
            }

            this.NationalityComboBox.DisplayMember = "Text";
            this.NationalityComboBox.ValueMember   = "Value";
            this.NationalityComboBox.SelectedIndex = 141;
        }