public ActionResult Index(ClientChangeUploadModel testUploadModel)
        {
            testUploadModel =
                (testUploadModel == null || testUploadModel.HasLoaded == false)
                    ? new ClientChangeUploadModel
                        {
                            HasLoaded = true
                        }
                    : testUploadModel;

            return View(testUploadModel);
        }
 public ActionResult FileUpload(ClientChangeUploadModel testUploadModel, HttpPostedFileBase clientFile)
 {
     testUploadModel.UploadFile(clientFile);
     return View("Index", testUploadModel);
 }