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< %@ Page Language="C#" AutoEventWireup="true" CodeFile="JavaScript get Net Function.aspx.cs" Inherits="JavaScript_get_Net_Function" %> 
 
< !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>ǰ̨Óëºǫ́·½·¨»¤µ÷×ܽá< /title> 
    < %--  
        JavaScriptÒì²½µ÷Óö¨ÒåÔÚASP.NetÒ³ÃæÖеķ½·¨, ÎÒÃÇÐèÒª:  
            1.½«¸Ã·½·¨ÉùÃ÷Ϊ¹«ÓÐ(public);  
            2.½«¸Ã·½·¨ÉùÃ÷ΪÀà·½·¨(C#ÖеÄstatic,VB.NETÖеÄShared),¶ø²»ÊÇʵÀý·½·¨;  
            3.½«¸Ã·½·¨Ìí¼Ó¡¾WebMethod¡¿ÊôÐÔ  
            4.½«Ò³ÃæÖÐScriptManager¿Ø¼þµÄEnablePageMethodsÊôÐÔÉèÖÃΪtrue;  
            5.ÔÚ¿Í»§¶ËʹÓÃÈçÏÂJavaScriptÓï·¨µ÷ÓøÃÒ³Ãæ·½·¨  
                PageMethods.[MethodName](param1,param2,...,callbackFunction);  
            6.Ϊ¿Í»§¶ËÒì²½µ÷ÓÃÖ¸¶¨»Øµ÷º¯Êý,Ôڻص÷º¯ÊýÖнÓÊÜ·µ»ØÖµ²¢½øÒ»²½´¦Àí;  
            7.Ìí¼Ó using System.Web.Services;  
    --%> 
     
    < %--  
        ASP.Netºǫ́µ÷ÓÃJavaScript functionµÄ·½·¨,ÎÒÃÇҪעÒâ:  
            1.¾¡Á¿ÉÙÓÃResponse.Write(< script>< /script>);ÕâÖÖ·½·¨,Ëü»áÓ°ÏìCSSµ¼ÖÂÒ³ÃæЧ¹ûÆ«²î  
            2.C#ÖÐʹÓÃScriptManager.RegisterStartupScript(this, this.GetType(), "edit", "JS('"+param1+"','"+param2+"')", true);  
            3.Ìí¼Ó using System.Web.UI;  
    --%> 
    
    < script type="text/javascript"> 
    
/*-------------JavaScriptµ÷ÓÃ.Netºǫ́Start----------------------------------*/  
        function JsCallCSharp(param1)  
        {  
            PageMethods.SayHelloFromPage(param1,onSayHelloSucceeded);  
        }  
         
        function onSayHelloSucceeded(result)  
        {  
            alert(result);  
        }  
/*-------------JavaScriptµ÷ÓÃ.Netºǫ́End----------------------------------*/  
         
/*-------------.Netµ÷ÓÃJavaScript Start-----------------------------------*/  
        function CSharpCallJs(param1,param2)  
        {  
            alert(param1 + param2);  
        }  
/*-------------.Netµ÷ÓÃJavaScript Start-----------------------------------*/  
    < /script> 
     
< /head> 
< body> 
    < form id="form1" runat="server"> 
    < div> 
        < asp:ScriptManager ID="ScriptManager1" EnablePageMethods="true" runat="server" /> 
    < /div> 
     
    < asp:Button ID="Button1" onclick="Button1_Click" OnClientClick="JsCallCSharp('takako');" runat="server" Text="Button1" /> 
     
    < /form> 
< /body> 
< /html> 

ǰ̨Óëºǫ́·½·¨»¥µ÷µÄC#´úÂë

using System;  
using System.Web.Services;  
using System.Web.UI;  
 
public partial class JavaScript_get_Net_Function : System.Web.UI.Page  
{  
    protected void Page_Load(object sender, EventArgs e)  
    {  
 
    }  
 
    protected void Button1_Click(object sender, EventArgs e)  
    {  
        string param1 = "ÄãºÃ:";  
        string param2 = "takako_mu";  
        ScriptManager.RegisterStartupScript(this, this.GetType(), "edit", "CSharpCallJs('" + param1 + "','" + param2 + "');", true);  
    }  
 
    [WebMethod]  
    public static string SayHelloFromPage(string name)  
    {  
        return string.Format("Hello {0}!", name);  
    }  
}