Implement Remember Password in asp.net

protected void Page_Load(object sender, EventArgs e)

{

if (HttpContext.Current.Request.Cookies["cookiename"] != null)

{

txtUserName.Text = HttpContext.Current.Request.Cookies["cookiename"]["LoginName"].ToString();

txtPassword.Text = HttpContext.Current.Request.Cookies["cookiename"]["Password"].ToString();

}

}

protected void Button1_Click(object sender, ImageClickEventArgs e)

{

if (chkRemeber.Checked == true)

{

HttpCookie cookie = new HttpCookie("cookiename");

cookie.Values.Add("LoginName", txtUserName.Text);

cookie.Values.Add("Password", txtPassword.Text);

cookie.Expires = DateTime.Now.AddDays(30);

 }