Use of log4net

1. NuGet Download log4net

2. Add configuration information in app. Config

< Sectionname= "Log4net"type= "log4net." Config.log4netconfigurationsectionhandler, log4net " />  <log4net>    <!--OFF, FATAL, ERROR, WARN, INFO, DEBUG, all -    <!--Set Root Logger level-to-ERROR and its appenders -    <Root>      < Levelvalue= "All" />      <Appender-refref= "Sysappender" />    </Root>    <!--Print only messages of level DEBUG or above in the packages -    <Loggername= "Testlogger">      < Levelvalue= "All" />    </Logger>    <Appendername= "Sysappender"type= "log4net." Appender.rollingfileappender,log4net ">      <!--Log Directory -      <paramname= "File"value= "log/" />      <paramname= "Appendtofile"value= "true" />      <paramname= "Rollingstyle"value= "Date" />      <!--Log Naming -      <paramname= "Datepattern"value= "&quot; Logs_&quot;yyyymmdd&quot;. txt&quot; " />      <paramname= "Staticlogfilename"value= "false" />      <Layouttype= "log4net." Layout.patternlayout,log4net ">        <paramname= "Conversionpattern"value= "%d [%t]%-5p%c-%m%n" />      </Layout>    </Appender>    <Appendername= "ConsoleApp"type= "log4net." Appender.consoleappender,log4net ">      <Layouttype= "log4net." Layout.patternlayout,log4net ">        <paramname= "Conversionpattern"value= "%d [%t]%-5p%c-%m%n" />      </Layout>    </Appender>  </log4net>

3. Add the following code in AssemblyInfo.cs or above the log class namespace

// log4net reading the configuration from the configuration file " Config " true)]

(Specify configuration file method)

// Add log4net information " Log.config " true)]

4. Using log4net

Private StaticILog log = Logmanager.getlogger ("Testlogger"); Static voidMain (string[] args) {log. Debug ("Debug Log"); Log. Info ("Info Log"); Log. Warn ("warn log"); Log. Error ("error Log"); }

Use of log4net