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