public IHttpActionResult AddProposalWithDetail(Proposal item) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } ProposalBusinessOperation businessOperation = new ProposalBusinessOperation(); Proposal itemOut = null; BaseOutput dbitem = businessOperation.AddProposalWithDetail(item, out itemOut); if (dbitem.ResultCode == 1) { return(Ok(itemOut)); } else { return(Content(HttpStatusCode.BadRequest, dbitem)); } }