а саму секцию nlog в web.config объявили?
Вот вам пример неплохого лога который я юзаю кое-где (требуется nlog.extended пакет)
| Код |
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="nlog" type="NLog.Config.ConfigSectionHandler, NLog" />
</configSections>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<extensions>
<add assembly="NLog.Extended" />
</extensions>
<variable name="logDir" value="${basedir}/App_Data/logs/" />
<variable name="detailedLayout" value="${longdate} - (${level:uppercase=true}) [${threadid}] ${aspnet-user-identity} (${logger}) : ${message} ${exception:format=ToString,StackTrace:separator=
}" />
<targets>
<target name="file" xsi:type="File" fileName="${logDir}/app${date:format=yyyy_MM_dd}.log" layout="${detailedLayout}" deleteOldFileOnStartup="false" keepFileOpen="true" />
<target name="debugger" xsi:type="Debugger" layout="${detailedLayout}" />
<target name="eventlog" xsi:type="EventLog" layout="${detailedLayout}" source="MySource" log="LOGNAME" />
</targets>
<rules>
<logger name="*" minlevel="Trace" writeTo="file,debugger" />
<logger name="*" minlevel="Warn" writeTo="eventlog" />
</rules>
</nlog>
<system.diagnostics>
<trace autoflush="true">
<listeners>
<add name="LogFileTraceListener" type="NLog.NLogTraceListener, NLog" />
<remove name="Default" />
</listeners>
</trace>
<switches>
</switches>
<sources />
<sharedListeners>
<add name="nlog" type="NLog.NLogTraceListener, NLog" />
</sharedListeners>
</system.diagnostics>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="NLog" publicKeyToken="5120e14c03d0593c" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-2.1.0.0" newVersion="2.1.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
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каталог ~/App_Data/logs/ должен существовать, конечно, и права на него IIS (или в чем вы там это запускете) должны быть соотсветствующие. |
