C#

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <sectionGroup name="common">
      <section name="logging" type="Common.Logging.ConfigurationSectionHandler, Common.Logging" />
    </sectionGroup>
  </configSections>
  <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <targets>
     </targets>
    <rules>
    </rules>
  </nlog>


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Common.Logging;
using sample;
using System.Configuration;
using System.Xml.Linq;  
using NLog;

namespace sample
{
    public class Etest
    {
        private static Logger logger = LogManager.GetCurrentClassLogger(); 
        private static ILog log = LogManager.GetCurrentClassLogger();
}
}