string withCdata = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<result><data><![CDATA[<script>alert(\"\");</script>]]></data></result>";
doc.LoadXml(withCdata);
string oriValue = doc.SelectSingleNode("result/data").InnerText;
//oriVale = <script>alert(\"\");</script>,这样就取到全部的节点内容了
记录一下,微信支付项目用到