s-7_2.cs

public class Global : System.Web.HttpApplication
{        
  protected void Application_Start(object sender, EventArgs e)
  {
    Log.Info("Application_Start");
  }

  protected void Application_Error(object sender, EventArgs e)
  {
    var error = Server.GetLastError();
    Log.Error(error, source: error.Source);
  }

  protected void Application_End(object sender, EventArgs e)
  {
    Log.Info("Application_End");
  }
}