public static List<UserData> toUsers(this MySqlDataReader reader)
        {
            if (reader.HasRows)
            {
                List<UserData> results = new List<UserData>();
                while (reader.Read())
                {
                    if (!reader.IsDBNull(0))
                    {
                        UserData u = new UserData();
                        u.ID = reader.GetInt32(Define.user_id);
                        u.Full_Name = reader.GetString(Define.user_full_name);
                        u.Permision = Permision.Read(reader.GetString(Define.user_permision));
                        u.Status = reader.GetBoolean(Define.user_status);
                        u.Type = reader.GetInt32(Define.user_type);
                        u.Time = reader.GetDateTime(Define.user_time);
                        u.setDirectpass(reader.GetString(Define.user_pass));
                        try
                        {
                            u.Comment = reader.GetString(Define.user_content);
                        }
                        catch (Exception)
                        {
                        }
                        try
                        {
                            u.Phone = reader.GetString(Define.user_phone);
                        }
                        catch (Exception)
                        {
                        }
                        try
                        {
                            u.Email = reader.GetString(Define.user_email);
                        }
                        catch (Exception)
                        {
                        }
                        u.User_Name = reader.GetString(Define.user_name);
                        results.Add(u);
                    }

                }
                return results;
            }
            return null;
        }
        public static UserData toUser(this MySqlDataReader reader)
        {
            UserData u = null;
            while (reader.Read())
            {
                if (!reader.IsDBNull(0))
                {
                    u = new UserData();
                    u.ID = reader.GetInt32(Define.user_id);
                    u.Full_Name = reader.GetString(Define.user_full_name);
                    u.Permision = Permision.Read(reader.GetString(Define.user_permision));
                    u.Status = reader.GetBoolean(Define.user_status);
                    u.Type = reader.GetInt32(Define.user_type);
                    u.Time = reader.GetDateTime(Define.user_time);
                    u.User_Name = reader.GetString(Define.user_name);
                    u.setDirectpass(reader.GetString(Define.user_pass));
                    try
                    {
                        u.Comment = reader.GetString(Define.user_content);
                    }
                    catch (Exception)
                    {
                    }
                    try
                    {
                        u.Phone = reader.GetString(Define.user_phone);
                    }
                    catch (Exception)
                    {
                    }

                    try
                    {
                        u.Email = reader.GetString(Define.user_email);
                    }
                    catch (Exception)
                    {
                    }

                    try
                    {
                        u.Finger_Print = new byte[10 * 1024 * 1024];
                        long bytesRead = reader.GetBytes(reader.GetOrdinal(Define.user_finger_print), 0, u.Finger_Print, 0, u.Finger_Print.Length);
                        Console.WriteLine(bytesRead + " bytes downloaded from table to file.");
                    }
                    catch (Exception)
                    {

                    }
                }
            }
            return u;
        }