给出以下XML,我可以使用哪个查询将preapprovalKey的值提取到字符串变量? LINQ to XML还是一个新手。
<?xml version="1.0" encoding="UTF-8" ?>
- <ns2:PreapprovalResponse xmlns:ns2="http://svcs.paypal.com/types/ap">
- <responseEnvelope>
<timestamp>2011-04-05T18:35:32.952-07:00</timestamp>
<ack>Success</ack>
<correlationId>7cec030fa3eb2</correlationId>
<build>1655692</build>
</responseEnvelope>
<preapprovalKey>PA-9AG427954Y7578617</preapprovalKey>
</ns2:PreapprovalResponse>
XDocument doc = XDocument.Load("test.xml");
string preapprovalKey = doc.Descendants("preapprovalKey").Single().Value;
请参阅下面的示例,它可以帮助您解决问题。 :)