/// <summary>
        ///
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ActionResult Edit(int?id)
        {
            var citys = KeyValues.GetKeyValues();

            ViewBag.Citys = citys;
            if (id.HasValue)
            {
                var item = ClientData.GetClientById(id.Value);
                ViewBag.EditMode = "編輯";
                return(View(item));
            }
            ViewBag.EditMode = "新增";
            return(View());
        }