Log4Net Implementation

App.config

·         Root(ErrorLogALL) Will Captures All messages of the Application

·         Log4netWindows.Program (ErrorLog) Will Captures only messages of that Namespace.class

·         Log4netWindows (ErrorLogNameSpace) Will Captures only messages of that Namespace

<configuration>

  <configSections>

    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>

  </configSections>

  <log4net>

    <appender name="ErrorLogALL" type="log4net.Appender.RollingFileAppender">

      <file value="F:\\lognet\\testlogALL.log"/>

      <appendToFile value="true"/>

      <maximumFileSize value="10MB"/>

      <rollingStyle value="Size"/>

      <staticLogFileName value="true"/>

      <layout type="log4net.Layout.PatternLayout">

        <conversionPattern value="%date{dd MMM yyyy HH:mm:ss,fff} [%level] %logger - %message%newline"/>

      </layout>

      <filter type="log4net.Filter.LevelMatchFilter">

        <levelToMatch value="ERROR"/>

      </filter>

    </appender>

    <appender name="ErrorLog" type="log4net.Appender.RollingFileAppender">

      <file value="F:\\lognet\\testlog.log"/>

      <appendToFile value="true"/>

      <maximumFileSize value="10MB"/>

      <rollingStyle value="Size"/>

      <staticLogFileName value="true"/>

      <layout type="log4net.Layout.PatternLayout">

        <conversionPattern value="%date{dd MMM yyyy HH:mm:ss,fff} [%level] %logger - %message%newline"/>

      </layout>

      <filter type="log4net.Filter.LevelMatchFilter">

        <levelToMatch value="ERROR"/>

      </filter>

    </appender>

    <appender name="ErrorLogNameSpace" type="log4net.Appender.RollingFileAppender">

      <file value="F:\\lognet\\testlogNameSpace.log"/>

      <appendToFile value="true"/>

      <maximumFileSize value="10MB"/>

      <rollingStyle value="Size"/>

      <staticLogFileName value="true"/>

      <layout type="log4net.Layout.PatternLayout">

        <conversionPattern value="%date{dd MMM yyyy HH:mm:ss,fff} [%level] %logger - %message%newline"/>

      </layout>

      <filter type="log4net.Filter.LevelMatchFilter">

        <levelToMatch value="ERROR"/>

      </filter>

    </appender>

    <root>

      <level value="DEBUG"/>

      <appender-ref ref="ErrorLogALL"/>

    </root>

    <logger name="Log4netWindows.Program">

      <level value="DEBUG"/>

      <appender-ref ref="ErrorLog"/>

    </logger>

    <logger name="Log4netWindows">

      <level value="DEBUG"/>

      <appender-ref ref="ErrorLogNameSpace"/>

    </logger>

  </log4net>

<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>

Program.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using log4net;

using System.Reflection;

namespace Log4netWindows

{

    class Program

    {

        static void Main(string[] args)

        {

            ILog log;

            log4net.Config.XmlConfigurator.Configure();

            log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

            log.Info("Test Program");

            Program_One obj = new Program_One();

            obj.Test_One();

            Log4netWindows_One.Program_Two obj_1 = new Log4netWindows_One.Program_Two();

            obj_1.Test_Two();

            Log4netWindows_One.Program_Three obj_2 = new Log4netWindows_One.Program_Three();

            obj_2.Test_Three();

        }

    }

    class Program_One

    {

        public void Test_One()

        {

            ILog log;

            log4net.Config.XmlConfigurator.Configure();

            log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

            log.Info("Test Program_One");

        }

    }

}

namespace Log4netWindows_One

{

    public class Program_Two

    {

        public void Test_Two()

        {

            ILog log;

            log4net.Config.XmlConfigurator.Configure();

            log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

            log.Info("Test Program_Two");

        }

    }

    public class Program_Three

    {

        public void Test_Three()

        {

            ILog log;

            log4net.Config.XmlConfigurator.Configure();

            log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

            log.Info("Test Program_Three");

        }

    }

}

You Can Download the Working Code of Log4Net Implementation From here.