private void FrmOgrenci_Load(object sender, EventArgs e) { dataGridView1.DataSource = ds.OgrencilerListesi(); baglanti.Open(); SqlCommand komut = new SqlCommand("select * from Tbl_kulupler WHERE DURUM=1", baglanti); SqlDataAdapter da = new SqlDataAdapter(komut); DataTable dt = new DataTable(); da.Fill(dt); CmbKulup.DisplayMember = "KULUPADI"; CmbKulup.ValueMember = "KULUPID"; CmbKulup.DataSource = dt; baglanti.Close(); }