public static HoaDonDTO TimHoaDonTheoSoHD(int sohd) { List <HoaDonDTO> lhd = new List <HoaDonDTO>(); HoaDonDTO hd = new HoaDonDTO(); try { SqlDataReader reader = DataProvider.TimHoaDonTheoSoHD("TimHoaDonTheoSoHD", sohd); while (reader.Read()) { hd.SoHD = reader.GetInt32(0); hd.MaKH = reader.GetString(1); hd.MaNV = reader.GetString(2); hd.NgayHoaDon = reader.GetDateTime(3); hd.TriGia = (int)reader.GetDecimal(4); } reader.Close(); } catch { } return(hd); }