Ambient values in mvc2.net routing

Question

I have following two routes registered in my global.asax file

routes.MapRoute(
    \"strict\",
    \"{controller}.mvc/{docid}/{action}/{id}\",
          


        

Answer 1

Muhammad, I suggest something like this : (written 5 mn ago, not tested in production)

public static class MyHtmlHelperExtensions {

    public static MvcHtmlString FixActionLink(this HtmlHelper htmlHelper, string linkText, string actionName, string controllerName, object routeValues, object htmlAttributes) {
        var linkRvd = new RouteValueDictionary(routeValues);
        var contextRvd = htmlHelper.ViewContext.RouteData.Values;
        var contextRemovedRvd = new RouteValueDictionary();

        // remove clearing route values from current context
        foreach (var rv in linkRvd) {
            if (string.IsNullOrEmpty((string)rv.Value) && contextRvd.ContainsKey(rv.Key)) {
                contextRemovedRvd.Add(rv.Key, contextRvd[rv.Key]);
                contextRvd.Remove(rv.Key);
            }
        }

        // call ActionLink with modified context
        var htmlString = htmlHelper.ActionLink(linkText, actionName, controllerName, routeValues, htmlAttributes);

        // restore context
        foreach (var rv in contextRemovedRvd) {
            contextRvd.Add(rv.Key, rv.Value);
        }

        return htmlString;
    }
}