private void btnDuzenle_Click(object sender, EventArgs e) { Product guncelKat = new Product(); guncelKat.ProductID = id; guncelKat.ProductName = txtAdi.Text; guncelKat.CategoryID = (int)cmbKategori.SelectedValue; guncelKat.UnitPrice = nmdFiyat.Value; guncelKat.UnitsInStock = (short)nmdStok.Value; urunRep.Duzenle(guncelKat); dataGridView1.DataSource = urunRep.Listele(); }