Microsoft JScript runtime error: Object expected

@{
    string id = "0";
    if (ViewData["rid"] != null)
    {
        id = ViewData["rid"].ToString();
    }

    string[] str = { "All", "Price Above 500", "Price Below 500" };
    if (id == "0")
    {
    @Html.RadioButton("RId", 0, true) @str[0].ToString();
    @Html.RadioButton("RId", 1) @str[1].ToString();
    @Html.RadioButton("RId", 2) @str[2].ToString();
    }
    else if (id == "1")
    {
    @Html.RadioButton("RId", 0) @str[0].ToString();
    @Html.RadioButton("RId", 1, true) @str[1].ToString();
    @Html.RadioButton("RId", 2) @str[2].ToString();
    }
    else
    {
    @Html.RadioButton("RId", 0) @str[0].ToString();
    @Html.RadioButton("RId", 1) @str[1].ToString();
    @Html.RadioButton("RId", 2, true) @str[2].ToString();
    }
}

<script type="text/javascript">
    $(':radio[name=RId]').change(function () {
        var value = $(this).val();
        window.location = "/Registration/ComputerScienceBooks/" + value.toString(); 
    });
</script>

public ActionResult ComputerScienceBooks(string id)
        {
            ViewData["rid"] = id;
            DataTable dt = new DataTable();
            if (id == null)
            {
                dt = registerDAL.BookDetails("Computer Science", "0");
            }
            else
            {
                dt = registerDAL.BookDetails("Computer Science", id);
            }
            if (dt.Rows.Count == 0)
            {
                ViewBag.emptyMessage = "No Book Available";
            }
            return View(ConvertDataTabletoIEnumerable(dt));
        }