html5 - Add class "active" to Actionlinks generated by loop in ASP.NET MVC5 -


i've written button group using actionlinks filter products. want add "active" class clicked button. how this?

<div class="btn-group" role="group" aria-label="">    @html.actionlink("all categories","index",0,new { @class = "btn btn-default" })       @foreach(var category in viewbag.allcategories)       {           @html.actionlink((string) category.name, "index",new { categoryid = category.categoryid}, new { @class="btn btn-default"})          } </div>

thanks!


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