//Articulos MVVM
private void botonAnyadirArticuloMVVM_Click(object sender, RoutedEventArgs e)
{
DialogArticuloMVVM diag = new DialogArticuloMVVM(invEnt, usuLogin);
diag.ShowDialog();
}
private void btnArticuloMVVM_Click(object sender, RoutedEventArgs e)
{
DialogArticuloMVVM diag = new DialogArticuloMVVM(invEnt);
diag.ShowDialog();
}
