public void AuthSuccess(UserData userData )
{
//Create Form Authentication ticket
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(
1
, userData.username
, DateTime.Now
, DateTime.Now.AddHours(18)
, true
, Json.Serialize<UserData>(userData)
, FormsAuthentication.FormsCookiePath);
string hashCookies = FormsAuthentication.Encrypt(ticket);
HttpCookie userCookie = new HttpCookie(FormsAuthentication.FormsCookieName, hashCookies);
Response.Cookies.Add(userCookie);
}