private void Update_DoubleClick(object sender, MouseButtonEventArgs e)
{
if (lstView.SelectedItems.Count != 1)
{
MessageBox.Show("Please choose one item to update", "Information");
return;
}
try
{
int index = lstView.SelectedIndex;
AddEditFlightDialog addEditDialog = new AddEditFlightDialog((Flight)lstView.SelectedItem);
addEditDialog.Owner = this;
addEditDialog.AddNewFlightCallback += (c) => { currFlight = c; };
bool?result = addEditDialog.ShowDialog(); // this line must be stay after the assignment, otherwise value is not assigned
if (result == true)
{
db.UpdateFlight(currFlight);
flightList.ElementAt(index).Id = currFlight.Id;
flightList.ElementAt(index).OnDay = currFlight.OnDay;
flightList.ElementAt(index).FromCode = currFlight.FromCode;
flightList.ElementAt(index).ToCode = currFlight.ToCode;
flightList.ElementAt(index).Type = currFlight.Type;
flightList.ElementAt(index).Passengers = currFlight.Passengers;
lstView.Items.Refresh();
}
}
catch (DataInvalidException ex)
{
MessageBox.Show(ex.Message, "Error Information");
}
}
private void CommandBinding_AddNewFlight(object sender, ExecutedRoutedEventArgs e)
{
try
{
AddEditFlightDialog addEditDialog = new AddEditFlightDialog(null);
addEditDialog.Owner = this;
addEditDialog.AddNewFlightCallback += (t) => { currFlight = t; };
bool?result = addEditDialog.ShowDialog();
if (result == true)
{
int newId = db.AddFlight(currFlight);
currFlight.Id = newId;
flightList.Add(currFlight);
lstView.Items.Refresh();
}
}
catch (DataInvalidException ex)
{
MessageBox.Show(ex.Message, "Error Information");
}
}