// DELETE api/values/5
        public string Delete(long id)
        {
            bool res = new ThuChiDAO().Delete(id);

            if (res)
            {
                return("success");
            }
            return("fail");
        }
        // PUT api/values/5
        public string Put(int id, [FromBody] ThuChi obj)
        {
            obj.ID = id;
            bool res = new ThuChiDAO().Update(obj);

            if (res)
            {
                return("success");
            }
            return("fail");
        }
        // DELETE api/values/5
        public string Delete(int id)
        {
            bool res = new ThuChiDAO().Delete(id);

            if (res)
            {
                return("success");
            }
            else
            {
                return("failed");
            }
        }
        // POST api/values
        /// <summary>
        /// Them moi du lieu
        /// </summary>
        /// <param name="obj">Du lieu can them moi</param>
        /// <returns></returns>
        public long Post([FromBody] ThuChi obj)
        {
            long res = new ThuChiDAO().Insert(obj);

            return(res);
        }