title: Concatenating strings with log4net
body: <p>Is it possible to do something like this with log4net logging ?</p>
  
  <pre><code>logger.Debug("username : {0} password : {1} server : {2}",username,server,password)
  </code></pre>
  
  <p>Or am i only left with the option of ugly <code>"+"</code> concatenating. </p>