public function CheckIn($reservationid, $userincharge, $confirmation)
 {
     $success = 0;
     $sql = "update tbltransaction set DateIn='{$this->DateCheckIn}',  Status='Check In'  where Reservation_ID='" . transaction::GettransactionReservationID($confirmation) . "'";
     try {
         include '../../connection.php';
         $query = mysqli_query($conn, $sql);
         $success = 1;
     } catch (mysqlException $ex) {
         $success = 0;
         $ex->getMesssage();
     }
     mysqli_close($conn);
     return $success;
 }