private void frmUrunListele_Load(object sender, EventArgs e) { KategoriBL kbl = new KategoriBL(); clmkategori.DisplayMember = "Kategoriadi"; clmkategori.ValueMember = "KategoriId"; clmkategori.DataSource = kbl.KategoriListe(); UrunBL ubl = new UrunBL(); dt = ubl.UrunTablosu(); datagridurunliste.DataSource = dt; kbl.Dispose(); ubl.Dispose(); }