private void btnguardar_Click(object sender, EventArgs e) { try { selectCliente(); selectplan(); sql = "select * from DBVMembre where ClienteDBVenta = '" + lblcliente.Text + "'"; select.busqueda(sql); if (select.numero == 1 && lblcliente.Text != "" && lblplan.Text != "") { actualizar(); this.Hide(); } else if (lblcliente.Text != "" && lblplan.Text != "") { guardarnuevo(); this.Hide(); } else { MessageBox.Show("Faltan datos", "Aviso Importante", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1); } } catch (Exception) { MessageBox.Show("Error al guardar la membresia"); } }