如何从xml“门票”中删除父标签剩余的节点应该在那里
<Tickets>
    <Extract_Date>2011-02-25 00:00:00</Extract_Date>
    <Ticket>
        <Ticket_Number>INC000000578057</Ticket_Number>
        <Status>
            <Value>Cancelled</Value>
            <Reason>Cancelled by user</Reason>
        </Status>
    </Ticket>
</Tickets>