public ActionResult UpdateAddress(string newAddress, string newPostal) { string result; if (Session["User"] == null) { return(RedirectToAction("Index", "Home")); } if (string.IsNullOrEmpty(newAddress) && string.IsNullOrEmpty(newPostal)) { return(RedirectToAction("Index", "ShoppingCart")); } User user = (User)Session["User"]; if (!string.IsNullOrEmpty(newAddress)) { result = db.UpdateAddress(user.ID, newAddress); } if (!string.IsNullOrEmpty(newPostal)) { result = db.UpdatePostal(user.ID, newPostal); } return(RedirectToAction("Index", "ShoppingCart")); }