private void TimKiemTheoYeuCau(int s)
        {
            KhachHangDTO thongtin = LayThongTinTimKiem();

            if (s == 1)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTen(thongtin);
            }
            else if (s == 2)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenDiaChi(thongtin);
            }
            else if (s == 3)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenLoaiKhach(thongtin);
            }
            else if (s == 4)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenDiaChiLoaiKhach(thongtin);
            }
            else if (s == 5)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoLoaiKhach(thongtin);
            }
            else if (s == 6)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoLoaiKhachDiaChi(thongtin);
            }
            else if (s == 7)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoDiaChi(thongtin);
            }
            else if (s == 8)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DanhSachKhachHang();
            }
            else if (s == 9)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoCMND(thongtin);
            }
            else if (s == 10)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenDiaChiLoaiKhachCMND(thongtin);
            }
            else if (s == 11)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenDiaChiCMND(thongtin);
            }
            else if (s == 12)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenLoaiKhachCMND(thongtin);
            }
            else if (s == 13)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHLoaiKhachCMND(thongtin);
            }
            else if (s == 14)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHDiaChiLoaiKhachCMND(thongtin);
            }
            else if (s == 15)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHDiaChiCMND(thongtin);
            }
            else if (s == 16)
            {
                gcDanhSachKhachHang.DataSource = CustomerBUS.DSKHTheoTenCMND(thongtin);
            }
        }