public IHttpActionResult GetRequisitionDetailsByReqId(int reqid)
        {
            string error = "";
            List <RequisitionDetailsModel> reqds = RequisitionDetailsRepo.GetRequisitionDetailsByRequisitionId(reqid, out error);

            if (error != "" || reqds == null)
            {
                if (error == ConError.Status.NOTFOUND)
                {
                    return(Content(HttpStatusCode.NotFound, "RequisitionDetails Not Found"));
                }
                return(Content(HttpStatusCode.BadRequest, error));
            }
            return(Ok(reqds));
        }