Global functions in razor view engine

Question

I want to have a global method like w in my razor view engine for localization my MVC application. I tried

@functions{
    public string w(string message)
    {
        return VCBox.Helpers.Localization.w(message);
    }
}

but I should have this in my every razor pages and I don't want that. I want to know how can I have a global function that can be used in every pages of my project?

score 2 · Answer 1 · answered Aug 30 '12 at 20:24

2

You can extend the HtmlHelper:

Extensions:

public static class HtmlHelperExtensions
{
    public static MvcHtmlString W(this HtmlHelper htmlHelper, string message)
    {
        return VCBox.Helpers.Localization.w(message);
    }
}

Cshtml:

@Html.W("message")

answered Aug 30 '12 at 20:24

andres descalzo

14,887
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isn't there any way to have just `w` method? – ahmadali shafiee Aug 30 '12 at 20:30
@ahmadalishafiee Not without declaring it in the current scope (like you did in the example in you question). – Paul Fleming Aug 30 '12 at 20:35
@ahmadalishafiee see this question http://stackoverflow.com/questions/4760783/is-it-possible-to-create-a-generic-helper-method-with-razor – andres descalzo Aug 30 '12 at 21:04

score 1 · Accepted Answer · answered Aug 30 '12 at 19:53

1

How about an extension method:

namespace System
{    
    public static class Extensions
    {
        public static string w(this string message)
        {
            return VCBox.Helpers.Localization.w(message);  
        }
    }
}

Called like so:

"mymessage".w();

Or:

string mymessage = "mymessage";
mymessage.w();

Or:

Extensions.w("mymessage");

answered Aug 30 '12 at 19:53

Paul Fleming

24,238
8
76
113

as you see I can use `VCBox.Helpers.Localization.w(message);` but I need a better way! – ahmadali shafiee Aug 30 '12 at 19:56
@ahmadalishafiee. The shortest you're going to get will have a "." in it. How do you define "better way"? – Paul Fleming Aug 30 '12 at 20:00
I want something like `w` as Wordpress and other apps have. there is a `write` method to write something and now I want to have `w` to write but localized write. – ahmadali shafiee Aug 30 '12 at 20:02
Write the extension method against the ViewPage instead. `public static string w(this ViewPage view, string message){/* do stuff */}`. Then you should be able to do a straight `w("mymessage")`. – Paul Fleming Aug 30 '12 at 20:05
I tried it but compiler didn't find `w`. I also added `` into the `` section in `web.config` – ahmadali shafiee Aug 30 '12 at 20:17
Try removing the namespace completely from the extension class. – Paul Fleming Aug 30 '12 at 20:26
If you add an extension method to the viewpage you would still need to do `this.w("message")`. You are always going to need the `something.w("message")`. If you wan't short, best bet is string extension method and calling it as `"message".w()` – Paul Fleming Aug 30 '12 at 20:37

Global functions in razor view engine

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