public int ChangeOrderState(int orderId) { try { User staffUser = Session["User"] as User; if (staffUser == null || Session["UserRole"] == null || (int)Session["UserRole"] != 2) { return 0; } OrderBusiness orderBusiness = new OrderBusiness(); if (orderBusiness.ChangeOrderState(orderId)) { return 1; } return 0; } catch (Exception) { return 0; } }