private void btnShowYoungPersons_Click(object sender, EventArgs e)
{
richTextBoxLog.Text = "";
List <Person> youngPeople = school.GetYoungPersons(Convert.ToInt32(tbxSearchAge.Text));
if (youngPeople.Count != 0)
{
richTextBoxLog.Text = "Found:\n\n";
foreach (Person person in youngPeople)
{
richTextBoxLog.Text += person + "\n---------------------\n";
}
}
}
