private void mnAreas_Click(object sender, RoutedEventArgs e)
{
ParamMaint itemMaint = new ParamMaint(Constants.INV_AREAS, eerrLib);
itemMaint.Title = "Mantención de Areas";
itemMaint.Show();
}
private void mnItem_Click(object sender, RoutedEventArgs e)
{
ParamMaint itemMaint = new ParamMaint(Constants.INV_ITEMS, eerrLib);
itemMaint.Title = "Mantención de Items";
itemMaint.Show();
}