1.當然要建立WebService(簡便起見,WebService就建立在當前方案中):
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
/// <summary>
/// WebService 的摘要描述
/// </summary>
///
[System.Web.Script.Services.ScriptService] //注意要實現目的,這就必不可少
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class WebService : System.Web.Services.WebService {
public WebService () {
//如果使用設計的元件,請取消註解下行程式碼
//InitializeComponent();
}
[WebMethod]
public string sayhi(string name,string age)
{
//code here
return "Hello,this is "+name+",i am"+age ;
}
}
<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI" TagPrefix="asp" %>
<!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>未命名頁面</title>
<script type="text/javascript" >
function check()
{
var name=document.getElementById("txtname").value;
var age=document.getElementById("txtage").value;
//最後一個參數爲回調函數名稱
WebService.sayhi(name,age,updatepage);
}
//其中result即返回的結果
function updatepage(result)
{
alert(result);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services >
<asp:ServiceReference Path ="~/WebService.asmx" />
</Services>
</asp:ScriptManager>
<input id="txtname" name="txtname" type="text" />
<input id="txtage" name="txtage" type="text" />
<input id="Button1" type="button" value="button" onclick ="check()" />
</div>
</form>
</body>
</html>
3.說明:
除了上述兩點需要注意外,還有一點需要強調一下:
調用的方法很簡單,[WebServiceName].[MethodName](...),其中的參數列中最後一項應該爲回調函數名稱。而回調函數的參數既是回傳的結果。見上例。