public void AddDof3a() { int productId = int.Parse(Request.Form["id"]); int cost = int.Parse(Request.Form["cost"]); DateTime date; CultureInfo enUS = new CultureInfo("en-US"); DateTime.TryParseExact(Request.Form["date"], "yyyy-MM-dd", enUS, DateTimeStyles.None, out date); CompanyClass com = new CompanyClass(); int productPayId = 0; if (com.AddDof3a(productId, cost, date , out productPayId)) { Response.Write("success," + productPayId); } else { Response.Write("fail"); } }