// PUT: api/COIDetail/5
        public IHttpActionResult Put(string id, COIDetail model)
        {
            COIDetailDAL coiDetailDAL = new COIDetailDAL();

            try
            {
                coiDetailDAL.Update(id, model);
                return(Ok());
            }
            catch (Exception ex)
            {
                return(BadRequest(ex.Message));
            }
        }