How do you redirect to the calling page in ASP.NET MVC?

Question

Let's say I have a controller action that deletes an item out of a user's shopping basket. This controller action is triggered by performing a POST to the url ~/delete/{id}. If I have several pages on my application that will post to this url, how do I construct the controller action to redirect back to the page that posted to it?

Answer 1

You should provide a RedirectToUrl parameter from the posting page.

Relying on referrer headers is not a good practice.

Instead, do something like this:

public ActionResult Delete(int id, string RedirectToUrl)
{
  // check if RedirectToUrl is null or empty and redirect accordingly
}

On the posting view or partial view you can provide the parameter in several ways:

<%= Html.Hidden("RedirecToUrl","/my/lovely/url") %>

or

<form action="/item/delete/22?RedirectToUrl=/my/lovely/url">

I'd prefer the first option.