public void InsertOrUpdate(Album album)
 {
     if (album.Id == default(int)) {
         // New entity
         context.Albums.Add(album);
     } else {
         // Existing entity
         context.Entry(album).State = EntityState.Modified;
     }
 }
 public ActionResult Create(Album album, HttpPostedFileBase fileBase)
 {
     album.ThumbImage = fileBase.FileName;
     if (ModelState.IsValid && fileBase != null)
     {
         string imagesDir = HttpContext.Server.MapPath("~/Content/uploadedimages/");
         fileBase.SaveAs(imagesDir + fileBase.FileName);
         albumRepository.InsertOrUpdate(album);
         albumRepository.Save();
         return RedirectToAction("Index");
     }
     else
     {
         ViewBag.PossibleCategories = categoryRepository.All;
         return View();
     }
 }