About Login Page (Remember Me)

if (chkRemember.Checked)
{
    HttpCookie cookie = new HttpCookie("YourAppLogin");
    cookie.Values.Add("username", txtUsername.Text);
    cookie.Expires = DateTime.Now.AddDays(15);
    Response.Cookies.Add(cookie);
}

if (Request.Cookies["YourApLogin&"] != null)
{
string username = Request.Cookies["YourAppLogin"].Values["username"]);
}