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

You can also try to detect which is the current selected tab from its controller name and view name, then add the class attribute.

public static string MenuActionLink(this HtmlHelper helper, string linkText, string actionName, string controllerName)
{
    var htmlAttributes = new RouteValueDictionary();

    if (helper.ViewContext.Controller.GetType().Name.Equals(controllerName + "Controller", StringComparison.OrdinalIgnoreCase))
    {
        htmlAttributes.Add("class", "current");
    }

    return helper.ActionLink(linkText, actionName, controllerName, new RouteValueDictionary(), htmlAttributes);
}