public ActionResult GetPicByAlbum(int AID) { if (Session["IDs"] != null) { List <int> IDs = (List <int>)Session["IDs"]; List <pic> MyImg = IMGPRO.AlbumPic(User.Identity.Name, AID); foreach (int i in IDs) { pic thispic = MyImg.Where(x => x.Id == i).FirstOrDefault(); MyImg.Remove(thispic); } return(PartialView("_LP", MyImg)); } else { List <pic> MyImg = IMGPRO.AlbumPic(User.Identity.Name, AID); return(PartialView("_LP", MyImg)); } }