private void btnAdd_Click(object sender, RoutedEventArgs e)
{
MyDbContext context = new MyDbContext();
TripController tripController = new TripController();
if (double.TryParse(txtCost.Text, out double cost) == true && int.TryParse(txtNumberSeats.Text, out int number) == true &&
int.TryParse(txtPlaceDepartment.Text, out int departure) == false &&
int.TryParse(txtPlaceArrival.Text, out int arrival) == false)
{
double costTrip = double.Parse(txtCost.Text);
int numberSeats = int.Parse(txtNumberSeats.Text);
Trip trip = new Trip(dateDeparture.SelectedDate, dateArrival.SelectedDate, txtPlaceDepartment.Text, txtPlaceArrival.Text, costTrip, int.Parse(txtNumberSeats.Text), txtNumberTrain.Text, txtType.Text);
if (tripController.AddTrip(trip))
{
MessageBox.Show("Рейс успешно добавлен.");
TripDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Trip> trips = context.Trips.Include(tr => tr.Train).ToList();
TripDataGrid.ItemsSource = trips;
}
else
{
MessageBox.Show("Этот рейс уже существует или введенные данные имеют неверный формат.");
}
}
else
{
MessageBox.Show("Неверный формат данных");
}
}
private void btnUpdate_Click(object sender, RoutedEventArgs e)
{
try
{
context.SaveChanges();
TripDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Trip> trips = context.Trips.ToList();
TripDataGrid.ItemsSource = trips;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
try
{
MyDbContext context = new MyDbContext();
TripController tripController = new TripController();
Trip trip = TripDataGrid.SelectedItem as Trip;
if (TripDataGrid.SelectedItem != null)
{
context.Trips.Attach(trip);
tripController.RemoveTrip(trip);
MessageBox.Show("Рейс успешно удален.");
}
TripDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Trip> trips = context.Trips.Include(tr => tr.Train).ToList();
TripDataGrid.ItemsSource = trips;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}