private void btConfirmar_Click(object sender, RoutedEventArgs e) { try { decimal saldoInicial = decimal.Parse(txSaldoInicial.Text); string obs = txObs.Text; CaixaBLL bll = new CaixaBLL(); bll.AbreCaixa(saldoInicial, obs); Close(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Erro", MessageBoxButton.OK, MessageBoxImage.Exclamation); } }