MVC3 URL Encoding?

Question

ASP.NET MVC3/Razor.

I found that when I create an action link, say, like this:

@Html.ActionLink(product.Title, "Detail", "Products", new { id = product.ProductID }, null)

The MVC3 engine creates my product link. For example:

http://myhost/{ActionUrl}/PRODID

However, if my product ID was to contain any special character, it wouldn't be URL encoded.

http://myhost/{ActionUrl}/PROD/ID

Of course, this breaks my routing. My questions are:

Should I expect it to automatically url encode values? Is there any way to set that up?
If not, then what is the most cleaner way to encode and decode those? I really do not want to do that in every controller.

Thanks!

Darin Dimitrov · Accepted Answer · 2011-07-18 06:36:02Z

4

If your id contains special characters I would recommend you passing it as a query string and not as part of the path. If not be prepared for a bumpy road. Checkout the following blog post.

answered Jul 18, 2011 at 6:36

Darin Dimitrov

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1 Comment

Alpha Over a year ago

It took me a while to realize, but you're totally right on your answer. Certain characters are like reserved keywords and you just can't do anything about it. For some others, you can do weird things or even use catch-all routes, but some of the special characters just will have to stay in that way (unless you want to do some rewriting with regexes).

David Silva Smith · Accepted Answer · 2011-12-22 20:46:01Z

1

I didn't get this to work in the path, but to make this work as a QueryString parameter as @Darin pointed out here is the code:

@Html.ActionLink(product.Title, "Detail", "Products", new { id = product.ProductID }, "")

created the actionLink as a querystring for me like this: Products/Detail?id=PRODUCTID

my route in Global.asax.cs looked like this:

    routes.MapRoute(
        "ProductDetail",
        "Products/Detail",
        new { controller = "Products", action = "Detail" }
        );

In my ProductController:

public ActionResult Detail(string id)
{
    string identifier = HttpUtility.HtmlDecode(id);
    Store.GetDetails(identifier);
    return RedirectToAction("Index", "Home");
}

edited Dec 22, 2011 at 20:46

answered Dec 22, 2011 at 13:04

David Silva Smith

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4 Comments

Alpha Over a year ago

What happens when "PRODUCTID" contains "/" or "#"? What does the controller receive?

David Silva Smith Over a year ago

the controller receives the / encoded as %2f. the HttpUtility.HtmlDecode will convert it back to a slash. I don't have code setup to test the # but I expect the controller will receive %23

Alpha Over a year ago

Thanks, it does make sense. I saw that you also moved it to the query string, but I am working with it on the path section. Even when encoding, it will break the path formation. I was looking for a way of handling that in the path. Thanks!

David Silva Smith Over a year ago

Oops, I got caught up in the above answer and was still in that context.

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