"name"속성 값이 'syslog'인 대상 요소를 선택하기 만하면됩니다. 어쨌든, 나는 항상 NullReferenceException을 얻는다. 문제가 무엇인지 알아낼 수 있습니까?C#에서 주어진 속성 값으로 노드를 선택하는 방법은 무엇입니까?
---------------- 내 코드 ----------------------------- ---------------
XmlNode root = _configFile.DocumentElement; // root is not none, and is correct.
XmlNode syslogNode = root.SelectSingleNode("descendant::targets/target[@name='syslog']"); // the syslogNode is null
----------------- 내 XML 파일 --------- ------------------------------
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<extensions>
<add assembly="NLog.Targets.Syslog" />
</extensions>
<targets>
<target name="syslog" xsi:type="Syslog" syslogserver="127.0.0.1" port="514" facility="Local7" />
<target name="file" xsi:type="File" layout="${level} | ${longdate} | ${callsite:className=true:fileName=false:includeSourcePath=false:methodName=true} | ${message} ${exception:format=tostring}"
fileName="${specialfolder:folder=LocalApplicationData}/Televic Conference/CoCon/Log/server_log_${shortdate}.txt"
archiveFileName="${specialfolder:folder=LocalApplicationData}/Televic Conference/CoCon/Log/Archives/server_log.{#}.txt"
archiveEvery="Day" archiveNumbering="Rolling" maxArchiveFiles="20" concurrentWrites="true" keepFileOpen="false"/>
<target name="console" xsi:type="ColoredConsole" layout="${longdate}: ${message}"/>
<target name="debug" xsi:type="OutputDebugString" layout="${longdate}: ${message}"/>
</targets>
<rules>
<logger name="*" minLevel="Trace" appendTo="syslog"/>
<logger name="*" minlevel="Trace" writeTo="file" />
</rules>
</nlog>
덕분에 정말 멋진 @Anirudha. –