Adding “active” tag to navigation list in an asp.net mvc master page

Question

In the default asp.net mvc project, in the Site.Master file, there is a menu navigation list:

Answer 1

An old question but hopefully someone might find this very helpful.

1. Put some thing that you can use to identify your page in the ViewBag, I used ViewgBag.PageName

For example, in index.cshtml, put something like

@{
    ViewBag.PageName = "Index";
}

2. Add a class to each link item with a conditional statement to return active if the page being visited has the required value, or return an empty string otherwise. View below for details:

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I didn't just test it, I use this method in my projects