Pass multiple parameters to C# MVC action without knowing the exactly number?

Question

Is it possible to pass multiple parameters to C# MVC action without knowing the exactly number?

For example, I could pass

mywebsite.com/brands/gm/ford/fiat/dodge

OR

mywebsite.com/brands/gm/ford/fiat

However, I don't want to have to create a route like:

"brands/{brand1}/{brand2}/{brand3}/{brand4}"

Because a variable number of brands will be passed to it.

How can I achieve this?

Chris Pratt · Accepted Answer · 2015-03-10 18:24:33Z

2

Technically, but only by using a wildcard param. Then, you're responsible for parsing the individual params out of the path yourself. For example:

routes.MapRoute(
    "Brands",
    "brands/{*brands}",
    new { controller = "Brands", action = "Index" }
);

Based on your first example URL, the value of the brands param would be the string "gm/ford/fiat/dodge". You'd then need to break this up to get the individual brands:

public ActionResult Index(string brands)
{
    var brandList = brands.Split("/");

    // do something with `brandList`
}

edited Mar 10, 2015 at 18:24

answered Mar 10, 2015 at 18:11

Chris Pratt

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Florian Schmidinger · Accepted Answer · 2015-03-10 18:14:18Z

1

Say you got a controller method:

public ActionResult Some(string brands)
{
    string[] individualBrands = brands.Split(';');

    return View();
}

The url would look like : http://localhost:50006/Home/Some?brands=brand1;brand2

answered Mar 10, 2015 at 18:14

Florian Schmidinger

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3 Comments

ramires.cabral Over a year ago

In my case, I need for SEO purposes, slashed style.

Florian Schmidinger Over a year ago

Would look a bit weird though... definatly not standard... but that's a matter of taste really =)

Chris Pratt Over a year ago

@ramires.cabral: FWIW, what you're trying to achieve could actually work against you for SEO purposes. For example, /brands/gm/ford is a totally different URL from /brands/ford/gm, but your action would likely render the same content for both variants. This could result in duplicate content penalties if both URL forms get indexed.

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