HttpCookie cookie;

cookie = FormsAuthentication.GetAuthCookie(W3Account, isRemberMe);

if (isRemberMe)

{

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

}

HttpContext.Current.Response.Cookies.Add(cookie);

string targetUrl;

targetUrl = FormsAuthentication.GetRedirectUrl(W3Account, isRemberMe);

HttpContext.Current.Response.Redirect(targetUrl);