1 客户端
2 <form id="form1" runat="server">
3 <div>
4 用户名:<input type="text" name="txtName" value="<%=UserName %>"/><br />
5 密码:<input type="password" name="txtPwd" /><br />
6 <input type="submit" value="登录" />
7 </div>
8 </form>
9
10 服务器端
11 public partial class Login : System.Web.UI.Page
12 {
13 public string UserName;
14 protected void Page_Load(object sender, EventArgs e)
15 {
16 if (Request.Cookies["userName"] != null)
17 {
18 string name = Request.Cookies["userName"].Value;
19 UserName = name;
20 Response.Cookies["userName"].Value = name;
21 Response.Cookies["userName"].Expires = DateTime.Now.AddDays(3);
22 }
23 else
24 {
25 if (IsPostBack)
26 {
27 string name= Request.Form["txtName"];
28 Response.Cookies["userName"].Value = name;
29 Response.Cookies["userName"].Expires = DateTime.Now.AddDays(3);
30 }
31 }
32 }
33 }