partial void Delete__User(__User instance);
 partial void Insert__User(__User instance);
 partial void Update__User(__User instance);
        public void AddUser(WikiUser u)
        {
            __User _u = db.__Users.FirstOrDefault(x => x.Identifier == u.Identifier);

            if (_u == null)
            {
                _u = new __User()
                {
                    ID = u.ID,
                    FirstName = u.FirstName,
                    LastName = u.LastName,
                    UserName = u.UserName,
                    Identifier = u.Identifier
                };

                db.__Users.InsertOnSubmit(_u);
                db.SubmitChanges();
            }
        }