If you have experience in Java, you will be familiar with the myriad of logging frameworks. One of the important things about logging is that it allows you to actually trace errors that have occurred in your absence. Without logging, it will be like a crime committed without any trails to investigate. Logging creates trails when the next application bug is activated.
Snooped around a little before finding a framework which looks pretty extensible like the java one…
http://www.theobjectguy.com/dotnetlog/Overview.aspx
