public static readonly Logger Logger = LogManager.GetCurrentClassLogger();

        Logger .Trace("trace log message"); 

        Logger .Debug("debug log message"); 

        Logger .Info("info log message"); 

        Logger .Warn("warn log message"); 

        Logger .Error("error log message"); 

        Logger .Fatal("fatal log message"); 

 

 

 

<?xml version="1.0" encoding="utf-8" ?> 
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">  
<targets> 
<target name="file" xsi:type="File" fileName="${basedir}/Logs/${shortdate}.log" 
layout="${date:format=yyyy-MM-dd HH\:mm\:ss} : ${message}" /> 
</targets>  
<rules> 
<logger name="*" minlevel="Info" writeTo="file" /> 
</rules> 
</nlog>