private void LoadData()
        {
            TourBUS tourBus = new TourBUS();

            tourChiTiet                  = tourBus.TimTour(frm_Tour.BookedTour.MaTour);
            lbl_GiaKS.Text               = tourChiTiet.GiaKhachSan.ToString();
            lbl_GiaNguoiLon.Text         = tourChiTiet.Tour.GiaNguoiLon.ToString();
            lbl_GiaTreEm.Text            = tourChiTiet.Tour.GiaTreEm.ToString();
            lbl_MaTour.Text              = tourChiTiet.Tour.MaTour;
            lbl_NgayKH.Text              = tourChiTiet.Tour.NgayKH.Value.ToShortDateString();
            lbl_NgayKT.Text              = tourChiTiet.Tour.NgayKT.Value.ToShortDateString();
            lbl_NoiDen.Text              = tourChiTiet.Tour.DiemDen;
            lbl_NoiDi.Text               = tourChiTiet.Tour.DiemDi;
            lbl_TenKS.Text               = tourChiTiet.Tour.TenKhachSan;
            txt_NguoiLon.Text            = frm_Tour.BookedTour.NguoiLon.ToString();
            txt_TreEm.Text               = frm_Tour.BookedTour.TreEm.ToString();
            frm_Tour.BookedTour.TongTien = tourChiTiet.Tour.GiaNguoiLon * frm_Tour.BookedTour.NguoiLon * tourChiTiet.Tour.GiaTreEm * frm_Tour.BookedTour.TreEm;
            //txt_TongTien.Text = ().ToString();
            txt_TongTien.Text = frm_Tour.BookedTour.TongTien.ToString();

            var sex = new BindingList <KeyValuePair <string, int> >();

            sex.Add(new KeyValuePair <string, int>("Nam", 1));
            sex.Add(new KeyValuePair <string, int>("Nữ", 0));
            cbo_GioiTinh.DisplayMember = "Key";
            cbo_GioiTinh.ValueMember   = "Value";
            cbo_GioiTinh.DataSource    = sex;
        }
 public frm_DatTour()
 {
     this.tourChiTiet = new TourChiTietDTO();
     InitializeComponent();
 }