private void btnClear_Click(object sender, EventArgs e) { try { btnGenerar1Mas.Enabled = false; txtC.Text = ""; txtG.Text = ""; txtK.Text = ""; txtXo.Text = ""; txtNumerosAGenerar.Text = "20"; dgvNumeros.Rows.Clear(); txtXo.Focus(); } catch { IOException ex = new IOException(); ex.otroError(); } }