/// <summary>
        /// 获取桩厂家
        /// </summary>
        /// <param name="context"></param>
        private void GetChangJia1(HttpContext context)
        {
            try
            {
                ChargPileBll cpbll = new ChargPileBll();
                DataTable    dt    = cpbll.QueryChangJia();
                var          list  = ConvertHelper <ChargPileTypes> .ConvertToList(dt);

                var str = jss.Serialize(list);
                context.Response.Write(str);
            }
            catch (Exception e)
            {
                Log.Error(e);
            }
        }
        /// <summary>
        /// 获取桩厂家
        /// </summary>
        /// <param name="context"></param>
        private void GetChangJia(HttpContext context)
        {
            try
            {
                ChargPileBll cpbll = new ChargPileBll();
                DataTable    dt    = cpbll.QueryChangJia();
                var          list  = ConvertHelper <ChargPileTypes> .ConvertToList(dt);

                PageObject <ChargPileTypes> pageO = new PageObject <ChargPileTypes>();
                pageO.total = list.Count;
                pageO.rows  = list;
                var str = jss.Serialize(pageO);
                context.Response.Write(str);
            }
            catch (Exception e)
            {
                Log.Error(e);
            }
        }