private void BtnPersonelListesi_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     if (fr22 == null || fr22.IsDisposed)
     {
         fr22           = new Formlar.FrmPersonel();
         fr22.MdiParent = this;
         fr22.Show();
     }
 }
 private void BtnPersonel_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     Formlar.FrmPersonel fr = new Formlar.FrmPersonel();
     fr.MdiParent = this;
     fr.Show();
 }