title: C# App.Config location
body: <p>I have a solution with 10 or so projects in it, and have started having issues with SystemConfiguration returning empty configuration instead of locating my App.Config file.</p>
  
  <p>Should I have multiple App.Configs, one for each project (I am assuming and hoping not), if not, where is the best place for it to be located in my projects?</p>