return a js file from asp.net mvc controller

Question

Hi all fellow programmer

I'd like to have a separate js file for each MVC set I have in my application

/Controllers/
    -TestController.cs
/Models/
/Views/
    /Test/
        -Index.aspx
        -script.js

And I'd like to include the js in the Index.aspx by

<script type="text/javascript" src="<%=UriHelper.GetBaseUrl()%>/Test/Js"></script>

Or to put it easier, when I call http://localhost/Test/Js in the browser, it will show me the script.js file

How to write the Action in the Controller? I know that this must be done with return File method, but I haven't successfully create the method :(

Post the code you have tried and we'll see if and/or where you are going wrong. — Lazarus
– Lazarus, Commented Apr 3, 2010 at 17:24

Lazarus · Accepted Answer · 2010-04-03 17:32:19Z

15

How about:

    public FileContentResult Js()
    {
        return File(System.IO.File.ReadAllBytes(Server.MapPath("/Test/script.js")), "text/javascript");
    }

I will add that you really should have your scripts under your Content folder as MVC is all about convention above configuration and by trying to place your scripts with your views you are breaking convention.

answered Apr 3, 2010 at 17:32

community wiki

Lazarus

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2 Comments

FlavorScape Over a year ago

except the weird case where you want to add security validation to returned files that are dependent on a user's authentication profile / membership IDs. In that case convention can suck it.

Lazarus Over a year ago

If you are suggesting what I think you are suggesting, don't forget, you can initialise javascript variables/properties using your model in the served page and then check for their existence/value in the centrally served javascript module. You could also make the centrally serviced scripts directory into a controller-based solution and modify the values you need there. There are lots of solutions/approaches available to you that would be cleaner than javascript files peppered around your View hierarchy.

Sunny · Accepted Answer · 2010-04-03 17:30:16Z

1

Two options:

Return the javascript as a string using the Javascript ActionResult
Return the javascript file as a downloadable file using the File download ActionResult

HTH.

answered Apr 3, 2010 at 17:30

community wiki

Sunny

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