public ActionResult ToIndex()
 {
     //put a breakpoint here to go to this action,
     //after url change
     ReloadPageViewModel DLink = new ReloadPageViewModel();
     DLink.Link = "http://somelink";
     return View(DLink);
 }
 public ActionResult Tut116()
 {
     ViewBag.MyURL = "http://www.Google.com";
     ReloadPageViewModel DLink = new ReloadPageViewModel();
     //don't show you this property, I concentrate on your main problem,
     //which is, how a button click, can change href
     DLink.Link = "6";
     return View(DLink);
 }