回车键登录系统

页面文件：

View Code 
 1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="回车键登录.aspx.cs" Inherits="回车键登录" %>
 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 3 <html xmlns="http://www.w3.org/1999/xhtml">
 4 <head runat="server">
 5     <title></title>
 6     <script type="text/javascript">
 7         function enterkey() {
 8             try {
 9                 //var el_keydown = window.event.srcElement;
10                 obj = window.event.srcElement ? window.event.srcElement : window.event.target;//兼容firefox
11                 if (event.keyCode == 13 && obj.id == "username") {
12 
13                     document.getElementById("password").focus();
14                     return false;
15                 }
16                 else if (event.keyCode == 13 && obj.id == "password") {
17                     document.getElementById("login").focus();
18                 }
19             }
20             catch (e) {
21                 return;
22             }
23         }
24     </script>
25 </head>
26 <body>
27     <form id="form1" runat="server">
28     <asp:TextBox ID="username" runat="server" onkeydown="return enterkey()"></asp:TextBox><br />
29     <asp:TextBox ID="password" runat="server" onkeydown="enterkey()"></asp:TextBox><br />
30     <asp:Button ID="login" runat="server" Text="登录" OnClick="login_Click" />
31     </form>
32 </body>
33 </html>

 

 cs文件：

View Code 
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.Web.UI;
 6 using System.Web.UI.WebControls;
 7 
 8 public partial class 回车键登录 : System.Web.UI.Page
 9 {
10     protected void Page_Load(object sender, EventArgs e)
11     {
12 
13     }
14     protected void login_Click(object sender, EventArgs e)
15     {
16         Response.Write("登录成功！");
17     }
18 }

 

posted @ 2012-04-14 15:01  zhangchun  阅读(730)  评论(0)  编辑  收藏  举报