public void RemoveActiveUsers(string email)
        {
            ActiveUsers activeusers;

            activeusers = new ActiveUsers()
            {
                Id    = email,
                Email = email
            };
            context.Remove(activeusers);
            context.SaveChanges();
        }
        public IEnumerable <ActiveUsers> AddActiveUser(string email)
        {
            ActiveUsers activeusers;

            activeusers = new ActiveUsers()
            {
                Id    = email,
                Email = email
            };
            context.ActiveUsers.Add(activeusers);
            context.SaveChanges();
            return(context.ActiveUsers);
        }