/// <summary>
 /// lay hang hóa theo ma hang hoa
 /// </summary>
 /// <param name="giatri"></param>
 /// <returns></returns>
 public Entities.HienThi_ChiTiet_DonDatHang sp_LayHangHoaTheoMaHangHoa(Entities.HienThi_ChiTiet_DonDatHang giatri)
 {
     Entities.HienThi_ChiTiet_DonDatHang data = null;
     try
     {
         data = new BizLogic.HangHoaGoiHang().Select(giatri.MaHangHoa);
         //string sql = "exec sp_LayHangHoaTheoMaHangHoa @MaHangHoa";
         //conn = new Connection();
         //cn = conn.openConnection();
         //cmd = new SqlCommand(sql, cn);
         //cmd.Parameters.Add("MaHangHoa", SqlDbType.NVarChar, 50).Value = giatri.MaHangHoa;
         //dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         //while (dr.Read())
         //{
         //    data.MaHangHoa = dr[0].ToString();
         //    data.TenHangHoa = dr[1].ToString();
         //    data.SoLuongDat = 1;
         //    data.GiaGoc = dr[2].ToString();
         //    data.GiaNhap = dr[2].ToString();
         //    data.Giabanbuon = dr[3].ToString();
         //    data.Giabanle = dr[4].ToString();
         //    data.PhanTramChietKhau = "0";
         //    data.Thuegiatrigiatang = dr[5].ToString();
         //    data.ChietKhau = "0";
         //}
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); data = null; }
     return(data);
 }
 /// <summary>
 /// lay hang hóa theo ma hang hoa
 /// </summary>
 /// <param name="giatri"></param>
 /// <returns></returns>
 public Entities.HienThi_ChiTiet_DonDatHang sp_LayHangHoaTheoMaHangHoa(Entities.HienThi_ChiTiet_DonDatHang giatri)
 {
     Entities.HienThi_ChiTiet_DonDatHang data = null;
     try
     {
         data = new BizLogic.HangHoaGoiHang().Select(giatri.MaHangHoa);
         //string sql = "exec sp_LayHangHoaTheoMaHangHoa @MaHangHoa";
         //conn = new Connection();
         //cn = conn.openConnection();
         //cmd = new SqlCommand(sql, cn);
         //cmd.Parameters.Add("MaHangHoa", SqlDbType.NVarChar, 50).Value = giatri.MaHangHoa;
         //dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         //while (dr.Read())
         //{
         //    data.MaHangHoa = dr[0].ToString();
         //    data.TenHangHoa = dr[1].ToString();
         //    data.SoLuongDat = 1;
         //    data.GiaGoc = dr[2].ToString();
         //    data.GiaNhap = dr[2].ToString();
         //    data.Giabanbuon = dr[3].ToString();
         //    data.Giabanle = dr[4].ToString();
         //    data.PhanTramChietKhau = "0";
         //    data.Thuegiatrigiatang = dr[5].ToString();
         //    data.ChietKhau = "0";
         //}
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); data = null; }
     return data;
 }