ASP.NET MVC: putting custom attributes into option tag in select list

Question

I\'m using ASP.NET MVC, and am trying to render a select list with the HtmlHelper.DropDownListFor method, like so:

<%= Html.DropDownListFor(x => x.AllT         


        

Answer 1

DropDownList and derivatives don't support the functionality you're looking for. But you could also simply process the string returned by DropDownList.

<%= 
  Html.DropDownListFor(x => x.AllTopics,
    SelectListHelper.GetSelectListItems(Model.AllTopics),
    "Select a Topic", 
    new { id = "allTopics", @class = "topic-dropdown" })
  .Replace("