private void lueListAvaiableRooms_Case1_EditValueChanged(object sender, EventArgs e)
 {
     CustomersBO aCustomersBO = new CustomersBO();
     List<Customers> aList = aCustomersBO.SelectListCustomerInRoom(int.Parse(this.lueListAvaiableRooms_Case1.EditValue.ToString()));
     this.lueListCustomerInRoom_Case1.Properties.DataSource = aList;
     this.lueListCustomerInRoom_Case1.Properties.ValueMember = "ID";
     this.lueListCustomerInRoom_Case1.Properties.DisplayMember = "Name";
     this.ListCustomerInRoomBeforeChange_Case1 = aList;
     this.IDBookingRoom_Case1 = int.Parse(this.lueListAvaiableRooms_Case1.EditValue.ToString());
 }