мне нужно позвонить в службу и получить приведенные данные в функции обратного вызова от него, но я получаю JS ошибки:обслуживания вызовов в клиентской стороне
Uncaught ReferenceError: InvoiceHTMLService is not defined.
Пожалуйста, помогите - ниже мои страницы и класс
Мои Aspx страница
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="InvoiceHTML.aspx.vb" Inherits="WebApplication2.InvoiceHTML" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Web Service call from client-side JavaScript</title>
<script type="text/javascript">
function SendRequest() {
debugger;
InvoiceHTMLService.GetBillInvoiceHtmlData();
}
function OnComplete(arg) {
alert(arg);
}
function OnTimeOut(arg) {
alert("timeOut has occured");
}
function OnError(arg) {
alert("error has occured: " + arg._message);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="~/Service/InvoiceHTMLService.asmx" />
</Services>
</asp:ScriptManager>
<div>
<input type="text" value="" id="MyTextBox" />
<input type="button" value="Send Request to the Web Service"
id="RequestButton" onclick="return SendRequest()" />
</div>
</form>
</body>
</html>
мой ASMX страница
Imports System.Web.Script.Services
Imports System.Web.Services
Imports System.Collections.Generic
Imports System.Text
Imports System.Drawing
Imports System.Web.Services.Protocols
Imports System.ComponentModel
Imports System.IO
Imports ClassLibrary1
' To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
' <System.Web.Script.Services.ScriptService()> _
<WebService()> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<ScriptService()> _
Public Class InvoiceHTMLService
Inherits System.Web.Services.WebService
<WebMethod()> _
Public Function GetBillInvoiceHtmlData() As Object
Dim objDAOBill As DAOInvoice
Dim Obj As Object
objDAOBill = New DAOInvoice()
Obj = objDAOBill.GetBillInvoiceHtmlData()
Return Obj
End Function
End Class