public ActionResult Shearch(string id) { if (save.taikhoan == null || save.taikhoan == "") { return(RedirectToAction("Log", "DangNhap")); } else { if (id == null || id == "") { return(RedirectToAction("Error", "Error1")); } else { try { var MaSanPham = Convert.ToInt32(id); mayLocNuocEntities db = new mayLocNuocEntities(); var dangmua = db.daMuas.Where(n => n.taikhoan == save.taikhoan && n.idDM == MaSanPham).ToList(); return(View(dangmua)); } catch (Exception) { return(RedirectToAction("Error", "Error1")); } } } }