public HttpResponseMessage Post([FromBody] Invoices i) { try { using (var entities = new BudgetCHEntities1()) { var response = entities.registerByACC(i.invoice_id); var message = Request.CreateResponse(HttpStatusCode.Created, i); message.Headers.Location = new Uri(Request.RequestUri + i.invoice_id.ToString()); return(message); } } catch (Exception ex) { return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex)); } }