public IActionResult Show(int activityID) { if (HttpContext.Session.GetString("loggedIn") == "true") { ViewBag.loggedIn = true; ViewBag.userID = HttpContext.Session.GetInt32("userID"); ViewBag.errors = ""; ViewBag.Activity = ActivityFactory.GetActivity(activityID); ViewBag.Participants = ActivityFactory.GetParticipants(activityID); return(View()); } return(RedirectToAction("Index", "Home")); }