Cookie的写入与保存

 protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Cookies["UserName"].Value = TextBox1.Text;
        Response.Cookies["UserName"].Expires = DateTime.Now.AddHours(1);

        HttpCookie mycookie = new HttpCookie("UserPassword");
        mycookie.Value = TextBox2.Text;
        mycookie.Expires = DateTime.Now.AddHours(1);
        Response.Cookies.Add(mycookie);

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        string tempValue = "";
        string str;
        ListItem item;
        foreach (string  key in Request.Cookies.AllKeys )
        {
            if (key=="UserName")
            {
                TextBox1.Text = Request.Cookies[key].Value;
            }
            if (key == "UserPassword")
            {
                TextBox2.Text = Request.Cookies[key].Value;
            } 
        }
    }