USING ROUTING WITH WEB FORMS

 routes.MapPageRoute("product-search", "albums/search/{term}", "~/aspx/AlbumSearch.aspx");
 routes.MapRoute(
        "Default", // Route name
        "{controller}/{action}/{id}", // URL with parameters
        new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
);

@Html.RouteLink("test", "product-search", new { term = "" })

 public partial class AlbumSearch : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string term = RouteData.Values["term"].ToString();
            //Response.Write("fjdslajfdlsjaflsafjsjflaf");
            Response.Write("<h1>" + term + "</h1>");
        }
    }

or

<asp:Label ID=”Label1” runat=”server” Text=”<%$RouteValue:Term%>” />