private void Button_Update(object sender, RoutedEventArgs e)
        {
            string bikeNumber = tb_bikeNumber.Text;
            string bikeUser   = tb_user.Text;
            string timeStart  = tb_timeStart.Text;
            string timeEnd    = tb_timeEnd.Text;
            bool   isPaid     = cb_isPaid.IsChecked.Value;
            //bool isAvailable = cb_isAvailable.IsChecked.Value;

            var comboBoxTime = ComboBox_Time.SelectedValue.ToString();
            var comboBoxType = ComboBox_Type.SelectedValue.ToString();

            string time = comboBoxTime;

            Debug.Write("mainWindow: bikeNumber : " + bikeNumber + "\n");
            Debug.Write("mainWindow: bikeUser : "******"\n");
            Debug.Write("mainWindow: time : " + time + "\n");
            Debug.Write("mainWindow: timeStart : " + timeStart + "\n");
            Debug.Write("mainWindow: timeEnd : " + timeEnd + "\n");
            Debug.Write("mainWindow: isPaid : " + isPaid + "\n");
            //Debug.Write("mainWindow: isAvailable : " + isAvailable + "\n");
            Debug.Write("mainWindow: comboBoxValue : " + comboBoxTime + "\n");

            bool isAvailable;

            if (isPaid)
            {
                isAvailable = false;
            }
            else
            {
                isAvailable = true;
            }

            sqlAdapter = new SQLAdapter();
            sqlAdapter.updateRow(bikeNumber, bikeUser, time, timeStart, timeEnd, isAvailable, isPaid, comboBoxType);

            InitListView();
        }
        private void InitListView()
        {
            sqlAdapter = new SQLAdapter();

            List <Model_RentalSystem> listModelRentalSystem = new List <Model_RentalSystem>();


            string queryBikeNumber = "SELECT * FROM " + SQLAdapter.sql_table + "";

            MySql.Data.MySqlClient.MySqlCommand    mySqlCommand    = new MySql.Data.MySqlClient.MySqlCommand(queryBikeNumber, SQLAdapter.mySqlConnection);
            MySql.Data.MySqlClient.MySqlDataReader mySqlDataReader = mySqlCommand.ExecuteReader();

            try
            {
                while (mySqlDataReader.Read())
                {
                    //listModelRentalSystem.Add(new Model_RentalSystem()
                    //{

                    //    BikeNumber = mySqlDataReader["bike_number"].ToString(),
                    //    BikeUser = mySqlDataReader["user_name"].ToString(),
                    //    TimeLeft = mySqlDataReader["time_left"].ToString(),
                    //    TimeStart = mySqlDataReader["time_start"].ToString(),
                    //    TimeEnd = mySqlDataReader["time_end"].ToString(),
                    //    IsPaid = mySqlDataReader["isPaid"].ToString(),
                    //    Status = mySqlDataReader["isAvailable"].ToString()
                    //});

                    Model_RentalSystem model_RentalSystem = new Model_RentalSystem();

                    model_RentalSystem.BikeNumber = mySqlDataReader["bike_number"].ToString();
                    model_RentalSystem.BikeUser   = mySqlDataReader["user_name"].ToString();
                    model_RentalSystem.Time       = mySqlDataReader["time_time"].ToString();
                    model_RentalSystem.TimeStart  = mySqlDataReader["time_start"].ToString();
                    model_RentalSystem.TimeEnd    = mySqlDataReader["time_end"].ToString();
                    model_RentalSystem.Type       = mySqlDataReader["bike_type"].ToString();

                    string isPaid      = null;
                    string isAvailable = null;

                    if (mySqlDataReader["isPaid"].ToString().Equals("True"))
                    {
                        isPaid = "Yes";
                    }
                    else
                    {
                        isPaid = "No";
                    }

                    if (mySqlDataReader["isAvailable"].ToString().Equals("True"))
                    {
                        isAvailable = "Available";
                    }
                    else
                    {
                        isAvailable = "Rented";
                    }

                    model_RentalSystem.IsPaid = isPaid;
                    model_RentalSystem.Status = isAvailable;

                    listModelRentalSystem.Add(model_RentalSystem);
                }

                Listview_Main.ItemsSource = listModelRentalSystem;

                mySqlDataReader.Close();
            }
            catch (Exception e)
            {
            }
        }