ASP.NET MVC - how to replace %20 with dash? [duplicate]

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I made a simple form that contains the NAME and some other fields.
When user submits form, the following route will be called:
~/Profile/NAME

If user entered John Smith as NAME, my URL will be:
~/Profile/John%Smith
And I want it to be:
~/Profile/John-Smith

The application will display user details and again the same form at the top of the page.
NAME value will be passed to the form via ViewData.
I want to populate text box with John Smith, not John-Smith.

How can I do that? I ran out of ideas.
Thanks in advance!

EDIT:

I have found solution here: http://goneale.com/2008/12/19/lowercase-route-urls-in-aspnet-mvc/.
It needs a little modification, but basically this is it.

Answer 1

HttpUtility, look into UrlDecode / UrlEncode

Edit

Use jQuery. Pseudo:

<input type="text" value="name" />
<input type="submit" id="submit" />

The jQuery

$('submit').click(function() {
 $('name').val($('name').val().replace(' ', '-'));
});

It can look something like that, and when you want to display it, you just replace - with space, but remember, there are names that contain - and should not be replaced.

• Darin Dimitrov: UrlEncode will not replace %20 with dash or the other way round with UrlDecode.
• šljaker: Correct. And I mentioned that I need it for ASP.NET MVC, not classic web forms.
• Filip Ekberg: Ah I miss read, i thought that he wanted to encode the url and the decode it to get "John Smith" out of "John%Smith".
• Filip Ekberg: @OP, you can still use HttpUtility even if it's not Web Forms.
• šljaker: Can I solve the problem by using Route class? This solution will not work if the user switched off java script.

Answer 2

If it helps any, I used this from Jeff Atwood as well as the link you garnered above to make it happen.

• šljaker: Thank you! Very quality answer.