C# 為textbox 添加 失去焦時間點事件2009-05-19 22:35在頁面的load事件中添加：
textbox1.Attributes["onblur"] = ClientScript.GetPostBackEventReference(控制項1, null);
則當textbox 失去焦點的時候，觸發控制項1 的事件。
控制項1 的事件可以隨意寫。 當寫為：textbox 的 change 事件時， 就在textbox 失去焦點的時候 執行 textbox 的change事件。
//*.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>無標題頁</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblMessage" runat="server"></asp:Label><br />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="我被隱藏啦" style="display:none" />
</form>
</body>
</html>
//*.cs
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;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
TextBox1.Attributes["onblur"] = ClientScript.GetPostBackEventReference(Button1, null);
}
}
protected void Button1_Click(object sender, EventArgs e)
{
lblMessage.Text = "文字框失去焦點";
}
}
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