public HttpResponseMessage Save(string catproductpriceJson) { string errMessage = string.Empty; try { CatProductPriceContract catproductprice = JsonConvert.DeserializeObject <CatProductPriceContract>(catproductpriceJson); businessRule.RegistInstants(catproductprice); if (catproductprice.Id == 0) { businessRule.RegistRule("Insert"); if (businessRule.CheckRules(out errMessage)) { return(Request.CreateResponse <string>(HttpStatusCode.OK, dta.Insert(catproductprice))); } else { return(handleBRFailed(errMessage)); } } else { businessRule.RegistRule("Update"); if (businessRule.CheckRules(out errMessage)) { return(Request.CreateResponse <string>(HttpStatusCode.OK, dta.Update(catproductprice))); } else { return(handleBRFailed(errMessage)); } } } catch (Exception e) { ExceptionHandler.Log(e); return(Request.CreateResponse <string>(HttpStatusCode.OK, "Có lỗi xảy ra trên chương trình.")); } }