Use ASP.NET Resource strings from within javascript files

Question

How would one get resx resource strings into javascript code stored in a .js file?

If your javascript is in a script block in the markup, you can use this syntax:

Answer 1

If you have your resources in a separate assembly you can use the ResourceSet instead of the filename. Building on @Domenics great answer:

public class ResourcesController : Controller
{
    private static readonly JavaScriptSerializer Serializer = new JavaScriptSerializer();

    public ActionResult GetResourcesJavaScript()
    {
        // This avoids the file path dependency.
        ResourceSet resourceSet = MyResource.ResourceManager.GetResourceSet(CultureInfo.CurrentUICulture, true, true);

        // Create dictionary.
        var resourceDictionary = resourceSet
                        .Cast()
                        .ToDictionary(entry => entry.Key.ToString(), entry => entry.Value.ToString());
        var json = Serializer.Serialize(resourceDictionary);
        var javaScript = string.Format("window.Resources = window.Resources || {{}}; window.Resources.resources = {1};", json);

        return JavaScript(javaScript);
    }
}

The downside is that this will not enable more than one resource-file per action. In that way @Domenics answer is more generic and reusable.

You may also consider using OutputCache, since the resource won't change a lot between requests.

[OutputCache(Duration = 3600, Location = OutputCacheLocation.ServerAndClient)]
public ActionResult GetResourcesJavaScript()
{ 
    // Logic here...
}

http://www.asp.net/mvc/overview/older-versions-1/controllers-and-routing/improving-performance-with-output-caching-cs