private void kitapDurumunuListeleToolStripMenuItem_Click(object sender, EventArgs e)
{
TumListe tumListe = new TumListe();
tumListe.Show();
this.Hide();
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
TumListe tumListe = new TumListe();
tumListe.Show();
this.Hide();
}