无法调用Web服务在ASP.NET中的Javascript [英] Fail to Call WebServices in ASP.NET in Javascript
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问题描述
我不叫web服务。我有什么错过？ @@
I fail to call a webservice. What have I miss? @@
我想在这里遵循此说明：<一href=\"http://stackoverflow.com/questions/4106026/how-to-call-an-asp-net-web-service-in-javascript\">How调用一个ASP.Net Web服务的JavaScript
I am trying to follow this instructions here: How to call an ASP.Net Web Service in javascript
和下面是我的codeS，但无法工作。
And below are my codes, but fails to work.
这是我的web codeS：
This is my webservice codes:
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Script.Services;
namespace Library
{
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
[System.Web.Script.Services.ScriptService()]
public class ReleaseSessionObject : System.Web.Services.WebService
{
[WebMethod]
public string HelloWord()
{
return "Hellow Word!";
}
}
}
这就是我的ASP.NET页面codeS：
and this is my ASP.NET page codes:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm6.aspx.cs" Inherits="Library.WebForm6" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<script src="ReleaseSessionObject.asmx" type="text/javascript"></script>
<script type="text/javascript">
function HelloWorld() {
try {
var a = Library.ReleaseSessionObject.HelloWorld();
alert(a);
}
catch (err) {
alert(err.Message);
}
};
</script>
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="~/ReleaseSessionObject.asmx" />
</Services>
</asp:ScriptManager>
<input type="button" onclick="HelloWorld();" value="Click This" />
</div>
</form>
</body>
</html>
既ASP.NET页面和服务文件位于同一文件夹。
both ASP.NET page and Service files are located at the same folder.
但是当我点击按钮。它说：未定义
but when I click on the button. It says: undefined
推荐答案
尝试使异步：
function HelloWorld() {
Library.ReleaseSessionObject.HelloWorld(OnCompleted);
}
function OnCompleted(data) {
alert(data);
}
这篇关于无法调用Web服务在ASP.NET中的Javascript的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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