public ActionResult Events(int? id)
        {
            EventsGridViewModel viewModel = new EventsGridViewModel(
                pageSize: EVENTS_GRID_SIZE,
                currentPage: id ?? 1
            );

            return View(viewModel);
        }
        public ActionResult Events(string ipaddress)
        {
            IPAddress server;
            if (IPAddress.TryParse(ipaddress, out server))
            {
                EventsGridViewModel viewModel = new EventsGridViewModel(server);

                return View("Events", viewModel);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }