web项目【3】

前端代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!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></title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div id = "mydiv">
<div>
<asp:CheckBox ID="CheckBox1" runat="server" Text = "我是autopostback" AutoPostBack = "true"
oncheckedchanged="CheckBox1_CheckedChanged"/>
<asp:TextBox ID="T1" runat="server" ontextchanged="TextBox1_TextChanged"></asp:TextBox>
</div>
</div>
</form>
</body>
</html>

  后端代码:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls; public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{ }
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
T1.Text = (CheckBox1.Checked) ? "选中状态" : "不选中状态";
}
protected void TextBox1_TextChanged(object sender, EventArgs e)
{ }
}

  css代码:

body {width:500px;
margin:0px auto;
padding:0px;
background-color:red;
} #mydiv
{
border:1px soild #333
}

  

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