private void btnGuardar_Click(object sender, RoutedEventArgs e)
{
//Fase 1
//Fetch all data from the fields in the form view (MainW Window)
string patente = txtPatente.Text;
//SelectedIndex returns an int (cbo element position).
//marca var doesn't support an int so a parse action is needeed (Marcas).
Marcas marca = (Marcas)cboMarca.SelectedIndex;
string modelo = txtModelo.Text;
//textAnio returns a string so a parse action is needed, eg: int.Parse()
//However an user could type a letter which will crashed "int.Parse()"
//Finally anio is set 0, in order to validate via IF statement
int anio = 0;
//int.TryParse (returns TRUE or FALSE) if parse action was accomplished
//<out> convierte en "variable de salida" a <anio>
if (int.TryParse(txtAnio.Text, out anio) == false)
{
MessageBox.Show("El año debe ser in número", "ERROR");
//return to stop the execution
return;
}
// .Value returns False or True based on what the user typed
bool nuevo = chkNuevo.IsChecked.Value;
//transmision var is set
Transmisiones transmision = Transmisiones.Automatica;
if (rbtMecanica.IsChecked == true)
{
transmision = Transmisiones.Mecanica;
}
try
{
//Fase 2
//Create an instance of automovil
Automovil auto = new Automovil();
auto.Patente = patente;
auto.Marca = marca;
auto.Modelo = modelo;
auto.Anio = anio;
auto.Nuevo = nuevo;
auto.Transmision = transmision;
//Fase 3
////Guardar los datos en la coleccion
if (_coleccion.GuardarAutomovil(auto))
{
MessageBox.Show("Guardado correctamente");
}
else
{
MessageBox.Show("La patente ya existe");
}
//show car info in DataGrid
CargarGrilla();
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message);
}
}