public ActionResult Upload() { UploadFormViewModel newForm = uploadManager.NewUploadForm(); if (Session["updateMessage"] != null) { var postMessage = Session["updateMessage"]; Session.Remove("updateMessage"); ViewBag.Collection = postMessage; } if (uploadManager.isItemCollectionFull()) { Session["errorMessage"] = Resources.Processing.ProcessMaxItems; return(RedirectToAction("Index", "Items")); } return(View(newForm)); }