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log4net.config setting - appender create a file each month 


Example of File and Folder structure

└───2018
    └───May-2018_logfile.log    └───Jun-2018_logfile.log    └───Jul-2018_logfile.log
    └───Aug-2018_logfile.log



Log4net.config configuration example

<log4net>
 <appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender, log4net">
  <file type="log4net.Util.PatternString" value="C:/logs/log4netLogs/%date{yyyy}/" />
  <appendToFile value="true" />
  <rollingStyle value="Date" />
  <staticLogFileName value="false" />
  <datePattern value="MMM-yyyy'_logfile.log'" />
  <layout type="log4net.Layout.PatternLayout">
    <conversionPattern value="%date [%thread] %-5level %logger %M - %message%newline%newline" />
  </layout>
</appender>
  <logger name="File">
    <level value="All" />
    <appender-ref ref="LogFileAppender" />
  </logger>
</log4net>


Path Setting
<file type="log4net.Util.PatternString" value="C:/logs/log4netLogs/%date{yyyy}/%date{MMM}/" />
File Name Setting
<datePattern value="MMM-yyyy'_logfile.log'" />

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