private void Hienthi()
{
int idDh = (int)grViewDH.GetFocusedRowCellValue("ID");
dh = dhDAO.GetDHById(idDh);
List <CHITIETDONHANG> lstCTDH = dhDAO.GetCTDH(dh.ID);
List <THONGTINCHITIETDH> lstTTCT = new List <THONGTINCHITIETDH>();
foreach (CHITIETDONHANG c in lstCTDH)
{
SANPHAM s = new SanphamDAO().getSanphamById(c.SANPHAM_ID);
THONGTINCHITIETDH t = new THONGTINCHITIETDH(c, s);
lstTTCT.Add(t);
}
grCtrlCTDH.DataSource = lstTTCT;
txtNgaydat.Text = ((DateTime)dh.NGAYDAT).ToShortDateString();
txtKH.Text = dhDAO.GetTenKH(dh.ID);
txtDC.Text = dh.DIACHI;
txtNguoinhan.Text = dh.TENNGUOINHAN;
txtSDT.Text = dh.SDT;
txtTong.Text = dh.TONGTIEN.ToString();
txtTrangthai.Text = dhDAO.GetTTbyId(dh.TRANGTHAI_ID).TEN;
}