public IActionResult UpdateWedding(Wedding wedding, int wid) { int?id = HttpContext.Session.GetInt32(ID); if (id.HasValue) // check id is in session { if (ModelState.IsValid) { dbContext.UpdateWedding(wedding); return(RedirectToAction("UpdateWeddingForm", new { wid = wid })); } else { return(View("UpdateWeddingForm", wedding)); } } else { return(Redirect("/logout")); } }