private void BtnCıkıs_Click(object sender, EventArgs e)
        {
            frmPersonelGirisCikis f1 = new frmPersonelGirisCikis();

            f1.Close();
            FrmPersonelCikisi f2 = new FrmPersonelCikisi();

            f2.Show();
            this.Hide();
        }
        private void BtnYonetici_Click(object sender, EventArgs e)
        {
            frmPersonelGirisCikis f1 = new frmPersonelGirisCikis();

            f1.Close();
            frmYonetici f2 = new frmYonetici();

            f2.Show();
            this.Hide();
        }
        private void BtnGiris_Click(object sender, EventArgs e)
        {
            frmPersonelGirisCikis f1 = new frmPersonelGirisCikis();

            f1.Close();
            frmPersonelGirisi f2 = new frmPersonelGirisi(lblZaman.Text, lblZamanİki.Text);

            f2.Show();
            this.Hide();
        }