步驟如下：
1 前台放一個按鈕。設定為隱藏。注意：不能直接設定Visible=false的方式，這樣的話在ASP.Net 2.0編譯後的代碼裡是找不到這個按鈕的。需要設定風格：style="display:none;"
2 雙擊按鈕，在後台寫入C#Click方法，或者寫一個調用後台其他方法的程式碼片段
3 前台JavaScript調用的時候，照如下寫，這樣可以類比按鈕的點擊事件，觸發後台方法：
document.getElementById("Button2").click();
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script>
function go()
{
document.getElementById("Button2").click();
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="go();return false;" />
<asp:Button ID="Button2" runat="server" Text="Button" OnClick="Button2_Click" Style="display: none;" />
</div>
</form>
</body>
</html>
C#
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button2_Click(object sender, EventArgs e)
{
this.SayHello();
}
private void SayHello()
{
this.TextBox1.Text = "Hello World!";
}
}
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