private void txbcodigo_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.solonumeros(e);
}
private void txbeliminar_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.solonumeros(e);
}
private void txbcantcomprar_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.solonumeros(e);
}