public async Task <ModelRegisterData> GetRegisterUserDataAsync(string register_id)
        {
            string register_id_ = Encoding.UTF8.GetString(Convert.FromBase64String(register_id));

            string sql = "SELECT A.register_id, A.first_name, A.full_name, A.work_phone, A.mobile, B.name_thai as position_name " +
                         "FROM RegisterUser A INNER JOIN MST_Character B ON A.position = B.id " +
                         "WHERE register_id='" + register_id_ + "'";

            using (SqlConnection conn = new SqlConnection(ConnectionString))
            {
                conn.Open();
                using (SqlCommand command = new SqlCommand(sql, conn))
                {
                    SqlDataReader reader = await command.ExecuteReaderAsync();

                    if (reader.HasRows)
                    {
                        ModelRegisterData e = new ModelRegisterData();
                        while (await reader.ReadAsync())
                        {
                            e.registerid   = reader["register_id"].ToString();
                            e.fullname     = reader["first_name"].ToString() + " " + reader["full_name"].ToString();
                            e.positionname = reader["position_name"].ToString();
                        }
                        return(e);
                    }
                }
                conn.Close();
            }
            return(null);
        }
        public async Task <IActionResult> GetRegisterUserData(string RegisterId)
        {
            ModelRegisterData e = await _IDocMenuCService.GetRegisterUserDataAsync(RegisterId);

            if (e != null)
            {
                return(Ok(e));
            }
            else
            {
                return(BadRequest());
            }
        }