private void btnDuzenle_Click(object sender, EventArgs e)
        {
            //Entities den Uye ttipinde gelicek
            Entities.Uye uyeEntity = (Entities.Uye)gridKitap.GetFocusedRow();

            FrmUyeIslem formUyeIslem = new FrmUyeIslem(uyeEntity);

            formUyeIslem.ShowDialog();
        }
        private void btnEkle_Click(object sender, EventArgs e)
        {
            FrmUyeIslem formUyeIslem = new FrmUyeIslem(new Entities.Uye());

            formUyeIslem.ShowDialog();
        }