public frmLineModify(LineDataBean line)
{
InitializeComponent();
agent = SQLAgent.GetInstance();
cityList = agent.GetCityList();
foreach (var city in cityList)
{
cmbDep.Items.Add(city.cityName);
cmbArr.Items.Add(city.cityName);
if (city.cityId.Equals(line.depCity.ToString()))
{
cmbDep.Text = city.cityName;
}
if (city.cityId.Equals(line.arrCity.ToString()))
{
cmbArr.Text = city.cityName;
}
}
id = line.id;
txtNum.Text = line.trainNum;
txtPrice.Text = line.price.ToString();
dateArr.Value = line.arrDate;
dateDep.Value = line.depDate;
}
private void btnOrder_Click(object sender, EventArgs e)
{
if (!isLogin)
{
MessageBox.Show("You must login before ordering", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
back.Invoke();
this.Close();
}
else
{
int index = dataView.SelectedCells[0].RowIndex;
LineDataBean line = lineList[index];
var orders = agent.GetOrdersByUser(this.user_id);
foreach (var o in orders)
{
if (line.id == o.line_id)
{
MessageBox.Show("You have already ordered one ticket on this train", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
}
btnOrder.Enabled = false;
List <int> seats = new List <int>();
for (int i = 1; i <= 50; i++)
{
seats.Add(i);
}
List <int> takenSeats = agent.GetSeatNumsByLine(line.id.ToString());
if (takenSeats.Count >= 50)
{
MessageBox.Show("This line has been sold out", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
foreach (var i in takenSeats)
{
seats.Remove(i);
}
Random rdm = new Random(DateTime.Now.TimeOfDay.Milliseconds);
int seat = seats[rdm.Next() % 50];
var ret = MessageBox.Show("Train Num: " + dataView.Rows[index].Cells[1].Value + "\n" +
"Depature City: " + dataView.Rows[index].Cells[2].Value + "\n" +
"Arrival City: " + dataView.Rows[index].Cells[3].Value + "\n" +
"Departure Time: " + dataView.Rows[index].Cells[5].Value + "\n" +
"Arrival Time: " + dataView.Rows[index].Cells[6].Value + "\n" +
"Seat NUm: " + seat + "\n" +
"Price: " + dataView.Rows[index].Cells[4].Value, "Order Preview",
MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (ret == DialogResult.Yes)
{
try
{
agent.AddOrder(user_id, line.id.ToString(), seat);
MessageBox.Show("Tickets ordered", "Finished", MessageBoxButtons.OK, MessageBoxIcon.Information);
frmLineRUD_Load(null, null);
}
catch (Exception ex)
{
MessageBox.Show("FATAL ERROR\nORDER CANCELED\n" + ex.ToString(),
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
