如何将以下嵌套XML加载到DataSet中?
<Response>
<Request>
<Origin>NYK</Origin>
<Destination>TOK</Destination>
</Request>
<Depart>
<Fare>
<Chargeable>
<BaseFare>100</BaseFare>
<Tax>10</Tax>
</Chargeable>
<Nonchargeable>
<Charge>10</Charge>
<Add>15</Add>
</Nonchargeable>
</Fare>
</Depart>
</Response>