public IActionResult Postcom(Com com, int msgid) { if (!CheckLogin()) { return(RedirectToAction("Index")); } if (ModelState.IsValid) { com.userid = (int)HttpContext.Session.GetInt32("userId"); com.msgid = msgid; comFactory.Add(com); return(RedirectToAction("Wall")); } else { ViewBag.item = ModelState.Values; return(View("Wall")); } }