public bool Exist(string username, string openId)
        {
            bool           r    = false;
            MembershipUser user = Membership.GetUser(username);

            if (user != null)
            {
                string _openId = AccountProfile.GetByUsername(username).OpenId;
                //r = _openId == openId;
                r = true;
            }

            return(r);
        }
        public void Create(string username, string openId)
        {
            MembershipUser user = Membership.CreateUser(username, "Oams123!@#");

            AccountProfile.GetByUsername(username).OpenId = openId;
        }