当我尝试从以下xml文件中读取节点（条目 - ＆gt;贡献者 - ＆gt;名称）时，我会收到错误，您可以在此处看到：error message
<?xml version="1.0" encoding="UTF-8"?>
<entry
xmlns:app="http://www.w3.org/2007/app"
xmlns:thr="http://purl.org/syndication/thread/1.0"
xmlns:fh="http://purl.org/syndication/history/1.0"
xmlns:snx="http://www.ibm.com/xmlns/prod/sn"
xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/"
xmlns="http://www.w3.org/2005/Atom">
<id>tag:profiles.ibm.com,2006:entry2f377e12-dfdc-4634-9d32-36dcdc685a5a</id>
<title type="text">Behnke Steffen (DS/MFT)</title>
<updated>2016-04-07T12:46:23.328Z</updated>
<category term="profile" scheme="http://www.ibm.com/xmlns/prod/sn/type"></category>
<contributor>
<name>Behnke Steffen (DS/MFT)</name>
<snx:userid>901F7D0D-E2F7-4094-8864-8F4C67716685</snx:userid>
<email>Steffen.Behnke@de.bosch.com</email>
<snx:userState>active</snx:userState>
<snx:isExternal>false</snx:isExternal>
</contributor>
<link href="https://connect.bosch.com/profiles/atom/profileEntry.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a" rel="self" type="application/atom+xml"></link>
<link href="https://connect.bosch.com/profiles/atom/profileType.do?type=default" rel="http://www.ibm.com/xmlns/prod/sn/profile-type" type="application/profile-type+xml"></link>
<link href="https://connect.bosch.com/profiles/html/profileView.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a" rel="related" type="text/html"></link>
<link href="https://connect.bosch.com/profiles/photo.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a&lastMod=1460033183328" rel="http://www.ibm.com/xmlns/prod/sn/image" type="image"></link>
<link href="https://connect.bosch.com/profiles/audio.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a&lastMod=1460033183328" rel="http://www.ibm.com/xmlns/prod/sn/pronunciation" type="audio"></link>
<link href="https://connect.bosch.com/profiles/vcard/profile.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a" rel="alternate" type="text/directory"></link>
<summary type="text">Profile information for Behnke Steffen (DS/MFT)</summary>
<content type="xhtml">
<sp_0:div
xmlns="http://www.w3.org/1999/xhtml"
xmlns:sp_0="http://www.w3.org/1999/xhtml">
<span class="vcard">
<div>
<img src="https://connect.bosch.com/profiles/photo.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a&lastMod=1460033183328" class="photo"></img>
</div>
<div>
<a class="fn url" href="https://connect.bosch.com/profiles/atom/profile.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a">Behnke Steffen (DS/MFT)</a>
</div>
<div>
<a class="sound url" href="https://connect.bosch.com/profiles/audio.do?key=2f377e12-dfdc-4634-9d32-36dcdc685a5a&lastMod=1460033183328">Pronunciation</a>
</div>
<div>
<a class="email" href="mailto:Steffen.Behnke@de.bosch.com">Steffen.Behnke@de.bosch.com</a>
</div>
<div class="x-groupwareMail" style="display:none"></div>
<div class="org">
<span class="organization-unit"></span>
</div>
<div class="role"></div>
<div class="title">Manufacturing Technology Management</div>
<div class="adr work postal">
<div class="x-country-code" style="display:none">de</div>
</div>
<div class="x-office">
<span class="x-building">Fe 665</span>
<span class="x-floor">2</span>
<span class="x-office-number">Fe 665/2</span>
</div>
<div class="tel">
<abbr class="type" title="work">Work:</abbr>
<span class="value">+49(711)811-30379</span>
</div>
<div class="x-manager-uid" style="display:none"></div>
<div class="x-is-manager" style="display:none"></div>
<div class="x-profile-key">2f377e12-dfdc-4634-9d32-36dcdc685a5a</div>
<div class="uid">901F7D0D-E2F7-4094-8864-8F4C67716685</div>
<div class="x-profile-uid">bhs2si</div>
<div class="x-lconn-userid">901F7D0D-E2F7-4094-8864-8F4C67716685</div>
<div class="rev" style="display:none">2016-04-07T12:46:23.328Z</div>
<div class="x-profile-type" style="display:none">default</div>
</span>
</sp_0:div>
</content>
</entry>
这是我的c＃代码
XmlDocument doc = new XmlDocument();
doc.LoadXml(File.ReadAllText(pathToXmlFile));
XmlNode node = doc.DocumentElement.SelectSingleNode("/entry/contributor/name");
Console.WriteLine(node.InnerText);
我100％确定我的c＃代码是正确的，因为当我尝试从其他更小/更简单的xml文件中读取节点时，我没有得到错误并得到我想要的结果，因此xml文件可能有问题。
谢谢你的帮助：）