in my apps (dev in MVC2) user can upload his images to server. how i can set url routing who handle the image and upload it to a specific location

currently i used it like a parameter ex;-

 routes.MapRoute("abcd2", "abcd/{id}/{param1}/{param2}/",
                new { controller = "abcd", action = "Index", id = 0, qxt = "" },
                new { action = new IsIndexConstraint() }, new string[] { "myapps.Controllers" });

by this code param2 is work i used param1 for sending file to server but he not worked

public ActionResult Index(HttpPostedFileBase param1 , string param2)
        {
            string str = "null";
            if (param1 != null)
            {
                param1.SaveAs(@"C:\img\" + param1.FileName);
                str = "func is work";
                //picture.SaveAs("C:\wherever\" + picture.FileName);
                return Content(str);
            }
            else
            {
                str = "func is not worked";
            }
            return Content(str);

} are anyone really want to help me.

param2 is work but param1 is not handle by web apps. are you suggest me how to do it.