/// <summary>
        /// Khởi tạo các combobox
        /// </summary>
        private void LoadCombobox()
        {
            // khởi tạo combobox
            AutoComboBox auto = new AutoComboBox();
            // Khởi tạo điều kiện gọi danh mục
            List <string> lstDieuKien = new List <string>();

            // khởi tạo combobox
            auto = new AutoComboBox();
            auto.GenAutoComboBox(ref lstSourceChiNhanh, ref cmbChiNhanh, DatabaseConstant.DanhSachTruyVan.COMBOBOX_CNHANH.getValue(), null, ClientInformation.MaDonVi);

            // khởi tạo combobox
            auto = new AutoComboBox();
            auto.GenAutoComboBox(ref lstSourcePhongGD, ref cmbPhongGD, DatabaseConstant.DanhSachTruyVan.COMBOBOX_PHONG_GD.getValue());
            LoadComboboxPhongGD();

            auto = new AutoComboBox();
            auto.GenComboBox_Nam(ref cmbNam);
            auto = new AutoComboBox();
            auto.GenComboBox_Quy(ref cmbQuy);

            lstDieuKien = new List <string>();
            lstDieuKien.Add(DatabaseConstant.DanhMuc.DONG_TIEN_CAC_NUOC.getValue());
            // khởi tạo combobox
            auto = new AutoComboBox();
            auto.GenAutoComboBox(ref lstSourceLoaiTien, ref cmbLoaiTien, DatabaseConstant.DanhSachTruyVan.COMBOBOX_DMUC.getValue(), lstDieuKien);

            lstDieuKien = new List <string>();
            lstDieuKien.Add(DatabaseConstant.DanhMuc.NGON_NGU.getValue());
            // khởi tạo combobox
            auto = new AutoComboBox();
            auto.GenAutoComboBox(ref lstSourceNgonNgu, ref cmbNgonNgu, DatabaseConstant.DanhSachTruyVan.COMBOBOX_DMUC.getValue(), lstDieuKien, ApplicationConstant.LoaiNgonNguBaoCao.vi_VN.layGiaTri());

            lstDieuKien = new List <string>();
            lstDieuKien.Add(DatabaseConstant.DanhMuc.DINH_DANG_BAO_CAO.getValue());
            // khởi tạo combobox
            auto = new AutoComboBox();
            auto.GenAutoComboBox(ref lstSourceDinhDang, ref cmbDinhDang, DatabaseConstant.DanhSachTruyVan.COMBOBOX_DMUC.getValue(), lstDieuKien, ApplicationConstant.LoaiDinhDangBaoCao.EXCEL.layGiaTri());
        }