Create authentication cookie

BuildCookie.cs

public static HttpCookie BuildCookie(int userprofileId)
{
	FormsAuthentication.Initialize();

	FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(
		1,
		userprofileId.ToString(CultureInfo.InvariantCulture),
		DateTime.Now,
		DateTime.Now.AddMinutes(30),
		false,
		UserprofileRole.GetStringByUserprofile(userprofileId),
		FormsAuthentication.FormsCookiePath);

	string hashedTicket = FormsAuthentication.Encrypt(ticket);
	HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hashedTicket);
	return cookie;
}