MVC QueryString is an empty collection

Question

I want to use a redirection to the requested URL a user wanted to access after the login but somehow the returnUrl is always null. (I did research on that topic for half an hour and didn't find a solution working for me.)

I debugged the Login view of my app and I'm trying to get the ReturnUrl with

new { ReturnUrl = Request.QueryString["ReturnUrl"] }

inside of my @using() tag. I saw that the QueryString is an empty collection and I even tried to use it without QueryString or just with ViewBag.ReturnUrl but neither the one nor the other worked for me.

The controller has the right parameters and it do redirect via RedirectToLocal(returnUrl) but that doesn't matter if the returnUrl is null.

What is the URL? If Request.QueryString["ReturnUrl"] is empty then it seems to follow that there is no ReturnUrl value on the query string. — David
– David, Commented May 9, 2016 at 11:38
Request.QueryString["ReturnUrl"] inside your view page will be empty. its available in controller — Rajshekar Reddy
– Rajshekar Reddy, Commented May 9, 2016 at 11:38
If you use the FormsAuthentication and all other pages are secured with Login, then the page requested will be automatically appended to ReturnUrl if browse for a page other than Login — Muhammed Shevil KP
– Muhammed Shevil KP, Commented May 9, 2016 at 11:42

Karthik M R · Accepted Answer · 2016-05-09 11:46:21Z

0

In all your action methods,use this code

RedirectToAction("Login", "ControllerName", new { returnUrl = Request.Url.AbsolutePath });

In your Login action method use

public ActionResult Login(LoginViewModel model, string returnUrl){//code}

edited May 9, 2016 at 11:46

answered May 9, 2016 at 11:40

Karthik M R

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stylishCoder · Accepted Answer · 2016-05-09 11:40:05Z

0

Try this

 public ActionResult FirstAction()
    {
        return RedirectToAction("SecondAction",
            new { test = Request.Url.ToString() });
    }

    public ActionResult SecondAction()
    {
        return Redirect(Request.QueryString["test"]);
    }

answered May 9, 2016 at 11:40

stylishCoder

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