// GET: admin/AccountBooks/Edit/5
        public ActionResult Edit(Guid?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            AccountBook accountBook = _service.GetSingleAccountBook((Guid)id);

            if (accountBook == null)
            {
                return(HttpNotFound());
            }
            return(View(accountBook));
        }