private void btnAdd_Click(object sender, RoutedEventArgs e)
{
try
{
MyDbContext context = new MyDbContext();
TrainController trainController = new TrainController();
Train train = new Train(txtTrainType.Text, txtNumberTrain.Text);
if (trainController.AddTrain(train))
{
MessageBox.Show("Поезд успешно добавлен.");
TrainDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Train> trains = context.Trains.ToList();
TrainDataGrid.ItemsSource = trains;
}
else
{
MessageBox.Show("Этот поезд уже существует или введенные данные имеют неверный формат.");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnUpdate_Click(object sender, RoutedEventArgs e)
{
try
{
context.SaveChanges();
TrainDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Train> trains = context.Trains.ToList();
TrainDataGrid.ItemsSource = trains;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
try
{
MyDbContext context = new MyDbContext();
TrainController trainController = new TrainController();
Train train = TrainDataGrid.SelectedItem as Train;
if (TrainDataGrid.SelectedItem != null)
{
context.Trains.Attach(train);
trainController.RemoveTrain(train);
MessageBox.Show("Поезд успешно удален.");
}
TrainDataGrid.ClearValue(ItemsControl.ItemsSourceProperty);
List <Train> trains = context.Trains.ToList();
TrainDataGrid.ItemsSource = trains;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
