public HttpResponseMessage GetProductPrice(string productId, string IOCodeId) { try { CatProductPriceDT priceDT = new CatProductPriceDT(); DataTable dt = priceDT.GetByCond("ProductID=" + productId + " AND IOCodeID =" + IOCodeId); return(Request.CreateResponse <string>(HttpStatusCode.OK, JsonConvert.SerializeObject(dt))); } catch (Exception e) { ExceptionHandler.Log(e); return(null); } }