private void lueRooms_EditValueChanged(object sender, EventArgs e)
        {
            if (this.IsReadyInitData == true)
            {
                // Luu lai thong tin cua chuyen phong cu truoc khi select phong moi
                this.aChangeRoomEn.UpdateItemChangeRooms(this.aCurrentRoomInfo);

                // Chuyen sang select phong moi bang thong tin trong aChangeRoomsEN
                this.aCurrentRoomInfo = this.aChangeRoomEn.GetItemChangeRooms(lueRooms.EditValue.ToString());

                // Get list customer for current room
                dgvSelectCustomers.DataSource = this.GetDataForSelectCustomerGridview(lueRooms.EditValue.ToString());

                if (this.aCurrentRoomInfo == null)
                {
                    //add them mot ItemChangeRooms moi
                    ItemChangeRoomEN aItemChangeRoomEN = new ItemChangeRoomEN();
                    //Kiem tra va danh dau xem phong vua chon co nam trong BookingR ban dau k?
                    //Viec nay lien quan den truong hop chuyen nguoi tu phong A -> B, (A,B cung thuoc BookingR)
                   List<BookingRooms> aList  = (new BookingRoomsBO()).Select_ByIDBookingRs(this.aBookingRs.ID).Where(p => p.CodeRoom == lueRooms.EditValue.ToString()).ToList();
                   int IsSelectRoomInBookingR = aList.Count;
                   int IDBookingRoom = 0;
                    if (IsSelectRoomInBookingR > 0)
                    {
                        aItemChangeRoomEN.IsRoomInBookingR = true;
                        IDBookingRoom = aList.Max(p => p.ID);
                        aItemChangeRoomEN.SetBookingRooms((new BookingRoomsBO()).Select_ByID(IDBookingRoom));
                    }
                    else
                    {
                        aItemChangeRoomEN.IsRoomInBookingR = false;
                        aItemChangeRoomEN.SetBookingRooms(this.aBookingRoom);
                    }
                    //-----------------------------------------------------------

                    aItemChangeRoomEN.SetAddTimeStart(null);
                    aItemChangeRoomEN.SetAddTimeEnd(null);
                    aItemChangeRoomEN.SetTimeInUsed(null);

                    aItemChangeRoomEN.SetCheckInActual(dtpCheckIn.DateTime);
                    aItemChangeRoomEN.SetCheckInPlan(dtpCheckIn.DateTime);
                    aItemChangeRoomEN.SetCheckOutActual(dtpCheckOut.DateTime);
                    aItemChangeRoomEN.SetCheckOutPlan(dtpCheckOut.DateTime);

                    aItemChangeRoomEN.SetTypeBookingRoom(1); // Khong tin chechIn som voi phong chuyen sang sau

                    aItemChangeRoomEN.SetCodeRoom(lueRooms.EditValue.ToString());

                    aItemChangeRoomEN.AddCustomer(this.GetDataForSelectCustomerGridview(lueRooms.EditValue.ToString()));

                    if (aItemChangeRoomEN.GetAllCustomers().Count > 0)
                    {
                        AccountancyBO aAccountancyBO = new AccountancyBO();
                        aItemChangeRoomEN.SetCost(aAccountancyBO.CalculateCostRoom(lueRooms.EditValue.ToString(), this.aBookingRoom.PriceType, aBookingRs.CustomerType.GetValueOrDefault(0), aItemChangeRoomEN.GetAllCustomers().Count).GetValueOrDefault(0));
                    }
                    else
                    {
                        aItemChangeRoomEN.SetCost(0);
                    }

                    this.aChangeRoomEn.InsertItemChangeRooms(aItemChangeRoomEN);
                    this.aCurrentRoomInfo = aItemChangeRoomEN;
                }
            }
        }