private void btnAlquilar_Click(object sender, EventArgs e) { try { if (cboxEstacion.SelectedItem == null) { service.ReturnScooter(""); } else { service.RentScooter(cboxEstacion.SelectedItem.ToString()); } MessageBox.Show(this, "Alquiler realizado con exito", "", MessageBoxButtons.OK, MessageBoxIcon.Information); } catch (ServiceException serviceException) { MessageBox.Show(this, serviceException.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }