private void radioButton5_CheckedChanged(object sender, EventArgs e)
{
if (radioButton5.Checked)
{
radioButton1.Checked = false;
radioButton2.Checked = false;
radioButton3.Checked = false;
}
MyLibrary.OrdinaPD(farmaci, num);
MyLibrary.Aggiorna(farmaci, num, listView1);
}