private void hesapOzetiToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmHesapÖzeti ho = new frmHesapÖzeti();

            ho.MdiParent = this;
            ho.Show();
        }
        private void btnHesapOzeti_Click(object sender, EventArgs e)
        {
            frmHesapÖzeti ho = new frmHesapÖzeti();

            ho.Show();
        }