public void RefreshDataBinding(int maDatPhong)
        {
            //Lấy tất cả tinh trang phong vào cmb
            listTinhTrangDatPhong = DatPhongBUS.LayTatCaTinhTrangDatPhong_List();
            //combobox tinh trang phong
            txtTinhTrangDat.Properties.Items.Clear();

            foreach (TinhTrangDatPhongDTO tinhtrang in listTinhTrangDatPhong)
            {
                txtTinhTrangDat.Properties.Items.Add(new MyComboBoxItem(tinhtrang.TinhTrangDatPhong, tinhtrang.MaTinhDatTrangPhong));
            }


            this.datPhong             = DatPhongBUS.LayThongTinDatPhong(maDatPhong);
            txtMaDatPhong.EditValue   = maDatPhong;
            txtTienTraTruoc.EditValue = datPhong.SoTienDatTruoc;
            txtThoiGian.EditValue     = datPhong.ThoiGianDatPhong;
            txtGhiChu.EditValue       = datPhong.GhiChu;
            dateNgayLapPhieu.DateTime = datPhong.NgayLapPhieuDat;
            txtTinhTrangDat.EditValue = DatPhongBUS.LayTinhTrangPhong(datPhong.MaTinhTrangDatPhong).TinhTrangDatPhong;

            khachHang             = KhachHangBUS.LayKhachHang(datPhong.MaKH);
            txtMaKH.EditValue     = khachHang.MaKH;
            txtLoaiKH.EditValue   = LoaiKhachHangBUS.LayLoaiKhachHang(khachHang.MaLoaiKH).TenLoaiKH;
            txtEmail.EditValue    = khachHang.Email;
            txtSDT.EditValue      = khachHang.SDT;
            txtTenKH.EditValue    = khachHang.TenKH;
            txtDiaChi.EditValue   = khachHang.DiaChi;
            txtNgaySinh.EditValue = khachHang.NgaySinh;

            txtTenNhanVien.EditValue = NhanVienBUS.LayNhanVien(datPhong.MaNhanVien).TenNhanVien;

            this.TabControl.TabPages.Clear();
            foreach (ChiTietDatPhongDTO chiTiet in DatPhongBUS.LayTatCaCacChiTietDatPhong(datPhong.MaDatPhong))
            {
                ThongTinChiTietDatPhong thongTinChiTietDatPhong = new ThongTinChiTietDatPhong(datPhong);
                thongTinChiTietDatPhong.RefreshDataBinding(chiTiet);
                DevExpress.XtraTab.XtraTabPage xtraTab = new DevExpress.XtraTab.XtraTabPage();

                //
                // thongTinChiTietPhong1
                //
                thongTinChiTietDatPhong.Appearance.BackColor            = System.Drawing.Color.White;
                thongTinChiTietDatPhong.Appearance.Options.UseBackColor = true;
                thongTinChiTietDatPhong.Dock     = System.Windows.Forms.DockStyle.Fill;
                thongTinChiTietDatPhong.Location = new System.Drawing.Point(0, 0);
                thongTinChiTietDatPhong.Name     = "thongTinChiTietPhong1";
                thongTinChiTietDatPhong.Size     = new System.Drawing.Size(989, 591);
                thongTinChiTietDatPhong.TabIndex = 0;

                //
                // tab1
                //
                xtraTab.Controls.Add(thongTinChiTietDatPhong);
                xtraTab.Name = thongTinChiTietDatPhong.phong.MaPhong.ToString();
                xtraTab.Size = new System.Drawing.Size(989, 591);
                xtraTab.Text = thongTinChiTietDatPhong.phong.TenPhong;
                xtraTab.Tag  = thongTinChiTietDatPhong;
                //
                this.TabControl.TabPages.AddRange(new DevExpress.XtraTab.XtraTabPage[] { xtraTab });
            }

            if (datPhong.MaTinhTrangDatPhong == 3)
            {
                txtTienTraTruoc.ReadOnly = true;
                txtGhiChu.ReadOnly       = true;
            }
        }