//Hiennv
 public List<BookingHEN> LoadData()
 {
     try
     {
         BookingHsBO aBookingHsBO = new BookingHsBO();
         List<BookingHEN> aListBookedHs = new List<BookingHEN>();
         List<BookingHs> aListTemp = new List<BookingHs>();
         aListTemp = aBookingHsBO.Select_ByDate_byStatus(dtpFrom.DateTime, dtpTo.DateTime);
         BookingHEN aBookingHEN;
         for (int i = 0; i < aListTemp.Count; i++)
         {
             aBookingHEN = new BookingHEN();
             aBookingHEN.SetValue(aListTemp[i]);
             aBookingHEN.StatusPayDisplay = CORE.CONSTANTS.SelectedStatusPay(Convert.ToInt16(aBookingHEN.StatusPay)).Name;
             aBookingHEN.CustomerTypeDisplay = CORE.CONSTANTS.SelectedCustomerType(Convert.ToInt16(aBookingHEN.CustomerType)).Name;
             if (aBookingHEN.Type == 1)
             {
                 aBookingHEN.TypeDisplay = "Tiệc không thuộc phạm trù nhà bếp";
             }
             else
             {
                 aBookingHEN.TypeDisplay = "Tiệc thuộc phạm trù nhà bếp";
             }
             aListBookedHs.Add(aBookingHEN);
         }
         return aListBookedHs;
     }
     catch (Exception ex)
     {
         return null;
         MessageBox.Show("frmTsk_ListBookingHs.LoadData\n" + ex.ToString(), "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }