[筆記]MVC路由傳遞空字串參數

參考網址:
https://stackoverflow.com/questions/17702203/mvc-html-actionlink-removes-empty-querystring-parameter-from-url

@Html.ActionLink("Action",
                 "Controller",
                  new { item1 = new EmptyParameter(), item2 = "value" });

public class EmptyParameter
{
    public override string ToString()
    {
        return String.Empty;
    }
}