public ActionResult Index(long? replyTo) { if (Token == null) { ViewData["Url"] = new AuthenticationService().GetAuthenticationUrl(); return View("Unauthenticated"); } var service = new StatusesService(Token); ViewData["Action"] = "Index"; ViewData["PageTitle"] = "home"; if (replyTo != null) { try { ViewData["InReplyTo"] = service.GetSingleStatus(replyTo.Value); } catch (TweetSharpException ex) { //todo - I can't find a good way to detect invalid tweet IDs other than catching the error when thrown. //So, we try/catch, signal the error and redirect home without the replyTo. ErrorSignal.FromCurrentContext().Raise(ex, System.Web.HttpContext.Current); return RedirectToAction("Index"); } } //if this call fails it will fail in the view and be handled by our standard error handing mechanism ViewData["loadInitialData"] = ExecuteOrRedirect(() => new JavaScriptSerializer().Serialize(service.OnHomeTimeline(null, null))); ViewData["loadMoreUrl"] = "/statuses/onHomeTimeline/"; return View(); }