AerolineaFrba.Compra.Form6.comboBox1_SelectedIndexChanged C# (CSharp) Method

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cboFormaPago.SelectedItem.ToString() == "Tarjeta de crédito")
            {
                groupBox3.Visible = true;
            }
            else
            {
                txtNroTarjeta.Text = "";
                txtCodSeg.Text = "";
                cboAnios.Text = "";
                cboMeses.Text = "";
                cboTipoTarjeta.Text = "";
                cboCuotas.Text = "";
                groupBox3.Visible = false;
            }
        }