public IHttpActionResult Save(DTO_CUS_HRM_STAFF_NhanSu_LLKH tbl_CUS_HRM_STAFF_NhanSu_LLKH)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            DTO_CUS_HRM_STAFF_NhanSu_LLKH result = BS_CUS_HRM_STAFF_NhanSu_LLKH.save_CUS_HRM_STAFF_NhanSu_LLKH(db, tbl_CUS_HRM_STAFF_NhanSu_LLKH, Username);


            if (result != null)
            {
                return(Ok(result));
            }
            return(BadRequest());
        }