private void txtAra_TextChanged(object sender, EventArgs e)
{
var sonuc = MyTool.Arama <Doktor>(txtAra.Text, Listem);
lstListe.Items.Clear();
sonuc.ForEach(x => lstListe.Items.Add(x));
}
private void txtAra_TextChanged(object sender, EventArgs e)
{
lstListe.DataSource = MyTool.Arama <Hasta>(txtAra.Text);
}