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I have a basic Edit method in my controller that redirects back to a top level listing (“Index”) when the edit succeeds. Standard behavior after MVC scaffolding. I am trying to change this Edit method to redirect back to the previous page (not Index). Since my Edit method wasn't using the default mapped input parameter “id”, I first tried using that to pass in the previous URL. In my Edit “get” method, I used this line to grab the previous URL and it worked fine: ViewBag.ReturnUrl = Request.UrlReferrer; I then sent this return URL to the Edit “post” method by using my form tag like this: @using (Html.BeginForm(new { id = ViewBag.ReturnUrl })) Now this is where the wheels fell off. I couldn't get the URL parsed from the id parameter properly. *** UPDATE: SOLVED ** * Using Garry's example as a guide, I changed my parameter from "id" to "returnUrl" and used a hidden field to pass my parameter (instead of the form tag). Lesson learned: Only use the "id" parameter how it was intended to be used and keep it simple. It works now. Here is my updated code with notes: First, I grab the previous URL using Request.UrlReferrer as I did the first time. // // GET: /Question/Edit/5 public ActionResult Edit(int id) { Question question = db.Questions.Find(id); ViewBag.DomainId = new SelectList(db.Domains, "DomainId", "Name", question.DomainId); ViewBag.Answers = db.Questions .AsEnumerable() .Select(d => new SelectListItem { Text = d.Text, Value = d.QuestionId.ToString(), Selected = question.QuestionId == d.QuestionId }); // Grab the previ

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