Handle exceptions in web services with Elmah

ASP.NET web services never fire Application_Error event and exceptions cannot be handled globally by ELMAH like in ASP.NET apps. But we can “manually” log exceptions using ELMAH:

public int WebServiceMethod() {
  try {
   ...
  }
  catch (Exception ex) {
    Elmah.ErrorLog.GetDefault(
      HttpContext.Current).Log(new Elmah.Error(ex, HttpContext.Current));
  }
}