@Html.ActionLink("Home Name", "Index", "Home")
Home name 是 跳转链接的名
Index 是 action 值
Home 是 Control 值
@Html.ActionLink("Application name", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" } 其实相当于a标签
<a href="/Home/Index"></a>
这个可以跳转到 area的跳转链接.