How to configure Log4Net for your application

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

<log4net>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value=".\.\log\AppName-%property{LogName}.log" type="log4net.Util.PatternString"/>
<appendToFile value="true"/>
<rollingStyle value="Date"/>
<datePattern value="-yyyy-MM-dd"/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%d{yyyy-MM-dd HH:mm:ss} [%t] %-5p %C{1} - %m%n"/>
</layout>
</appender>

<root>
<level value="ALL"/>
<appender-ref ref="RollingLogFileAppender"/>
</root>
</log4net>

private static readonly log4net.ILog log = log4net.LogManager.GetLogger(
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
log4net.Config.XmlConfigurator.Configure();
log.Error(exp);