@model IEnumerable<string>

@{
    Layout = null;    
}

@Html.ActionLink("Home", "List", "Product")

@foreach (var link in Model)
{
    @Html.RouteLink(
        link, 
        new { Controller = "Product", action = "List", category = link, page = 1 },
        new { @class = link == ViewBag.SelectedCategory ? "selected" : null }
    )
}