if (Regex.IsMatch(id, @"^\d{1,8}$", RegexOptions.IgnoreCase))
                        {
                            _id = int.Parse(id);
                            userPo = userBlo.Login(_id, pwd, out status);
                        }
                        else if (Regex.IsMatch(id, @"^((13)|(14)|(15)|(18))\d{9}$", RegexOptions.IgnoreCase))
                        {
                            userPo = userBlo.LoginByPhone(id , pwd, out status);
                        }
                        else if (Regex.IsMatch(id, @"^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$", RegexOptions.IgnoreCase))
                        {
                            userPo = userBlo.LoginByEmail(  id  , pwd, out status);
                        }