public ActionResult Delete(int id)
        {
            var info = MemberGroupBLL.GetList(p => p.ID == id).FirstOrDefault();

            if (null == info)
            {
                return(Json(new APIJson(-1, "删除失败,参数有误", info)));
            }
            if (MemberGroupBLL.Delete(info))
            {
                return(Json(new APIJson(0, "删除成功", info)));
            }
            return(Json(new APIJson(-1, "删除失败,请重试", info)));
        }