Add a query string to a HtmlHelper in ASP.NET MVC

Question

I have a view with the two HtmlHelpers that produce links, something like this

<li><%:Html.ActionLink("Link A", "Index", "HomeController")%></li>
<li><%:Html.ActionLink("Link B", "Index", "HomeController"})%></li>

Now I wish to add a querystring to Link B so when it points to the following URL http://localhost:55556/HomeController/?Sort=LinkB

I want both links to point to the same controller so I can then detect if the queryString is present then point the appropriate link to a different view, some thing like...

[AcceptVerbs(HttpVerbs.Get)]
        public ActionResult Index()
        {
            var linkChoice = Request.QueryString["Sort"];

            if (linkChoice == "LinkB")
            {
                return View("ViewB");
            }
            else
            {
               return View("ViewA");
            }
        }

Thanks for the help.

Lee Gunn · Accepted Answer · 2011-05-10 14:58:51Z

2

Is there a reason you can't use:

<li><%:Html.ActionLink("Link A", "Index", "HomeController", new { Sort = "LinkA" }, null)%></li>
<li><%:Html.ActionLink("Link B", "Index", "HomeController", new { Sort = "LinkB" }, null)%></li>

answered May 10, 2011 at 14:58

Lee Gunn

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2 Comments

Mark Sandman Over a year ago

Hi there, this seems to work, using the above gave me the answer provided by Tejs produced the following URL from the HtmlHelper : localhost:55556/?Length=18 Why I know not?

Lee Gunn Over a year ago

The other example is using the wrong overload and therefore the third parameter (which is the controller name) is being used as the object for the route values. The object is a string. A string has a Length property. The length of the controller name you were using must have been 18 characters wide.

Community · Accepted Answer · 2017-05-23 12:04:19Z

1

You simply provide the query string parameters in a dictionary. The following question on SO might interest you: QueryString parameters.

In your situation it would simply be

<%= Html.ActionLink("Name", "Index", "Controller", new { Sort = "LinkB" }) %>

edited May 23, 2017 at 12:04

CommunityBot

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answered May 10, 2011 at 14:58

Tejs

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