这样做可以实现局部回传,达到异步刷新的效果。
1.先新建一个ASP.NET Web 服务。加入如下代码:(记住对类加上[System.Web.Script.Services.ScriptService] )
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2.新建一个asp.net 网站。
在.aspx页面中加入代码进行jscript调用:
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<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
<script language="javascript" type="text/javascript">
// <!CDATA[
function Button1_onclick() {
//调用web services
HW.Service.GetHelloWorld($get("Text1").value, showMsg);
}
function showMsg(msg) {
$get("msg").innerHTML = msg;
}
// ]]>
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="http://localhost/HelloWorldServices/Service.asmx" />
</Services>
</asp:ScriptManager>
<input id="Text1" type="text" />
<button id="btn" onclick="Button1_onclick()">
Get</button>
<span id="msg"></span>
</div>
</form>
</body>
</html>