private void bt_buscar_Click(object sender, EventArgs e)
{
try
{
//validateSearchOK();
DataTable clientes = dao.buscarCliente(fieldName.Text, fieldSurname.Text, fieldDocument.Text);
this.llenarClientes(clientes);
BTModificar.Visible = true;
}
catch (Exception ex) {
MessageBox.Show(ex.Message.ToString(), "Error");
}
}