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C# ¶ÁÈ¡xml - .NET¼¼Êõ / C#

C# code:
strXml="
<ListConferenceResponse xmlns="http://mediax.huawei.com/webservice/types">
<code xmlns="">200</code>
<description xmlns="">Success</description>
</ListConferenceResponse>
";

XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(str);
XmlNode xmlNode = xmlDocument.SelectSingleNode("LoginResponse/code");
strResult = xmlNode.InnerText;


Ϊʲô»ñÈ¡µÄ xmlNode ÊÇnull
XmlNode xmlNode = xmlDocument.SelectSingleNode("//LoginResponse/code");


ÒòΪXmlNode xmlNode = xmlDocument.SelectSingleNode("LoginResponse/code");
codeÏÂûÓÐ×Ó½ÚµãÁË¡­¡­


LoginResponse ºÍListConferenceResponse ÊÇʲô¹ØÏµ°¡

LoginResponse ¸Äµ½ ListConferenceResponse

XmlNode xmlNode = xmlDocument.DocumentElement.SelectSingleNode("code");

string strXml="<ListConferenceResponse xmlns='http://mediax.huawei.com/webservice/types'>"+
"<code xmlns=''>200</code>"+
"<description xmlns=\"\">Success</description>"+
"</ListConferenceResponse>";

XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(strXml);//ÕâÀïµÄ²ÎÊýÄãд³ÉÁËstr

XmlNode xmlNode = xmlDo


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