public static void ShowStudentInfo(int id, string ip, int port)
        {
            Student student = null;
            TcpClient eClient = new TcpClient();
            try
            {
                eClient = new TcpClient(ip, port);
                using (NetworkStream writerStream = eClient.GetStream())
                {
                    MSG message = new MSG();
                    message.stat = STATUS.GET_ACCOUNT_BY_ID;
                    BinaryFormatter formatter = new BinaryFormatter();
                    formatter.Serialize(writerStream, message);
                    formatter.Serialize(writerStream, id);
                    student = (Student)formatter.Deserialize(writerStream);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                eClient.Close();
            }

            if (student == null)
            {
                throw new ArgumentException(string.Format("Студента з id = {0} не iснує", id));
            }

            StudentInfoWindow sw = new StudentInfoWindow(string.Format("{0} {1} {2}", student.Lastname, student.Firstname, student.Patronymic),
                student.Group, student.Faculty, student.PhoneNumber, student.Email, student.Address, student.AverageMark);
            sw.ShowDialog();
        }
        public static void ShowStudentInfo(int id, string ip, int port)
        {
            Student   student = null;
            TcpClient eClient = new TcpClient();

            try
            {
                eClient = new TcpClient(ip, port);
                using (NetworkStream writerStream = eClient.GetStream())
                {
                    MSG message = new MSG();
                    message.stat = STATUS.GET_ACCOUNT_BY_ID;
                    BinaryFormatter formatter = new BinaryFormatter();
                    formatter.Serialize(writerStream, message);
                    formatter.Serialize(writerStream, id);
                    student = (Student)formatter.Deserialize(writerStream);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                eClient.Close();
            }

            if (student == null)
            {
                throw new ArgumentException(string.Format("Студента з id = {0} не iснує", id));
            }

            StudentInfoWindow sw = new StudentInfoWindow(string.Format("{0} {1} {2}", student.Lastname, student.Firstname, student.Patronymic),
                                                         student.Group, student.Faculty, student.PhoneNumber, student.Email, student.Address, student.AverageMark);

            sw.ShowDialog();
        }