private void FrmOgrenciisleriPaneli_Load(object sender, EventArgs e) { dataGridView1.DataSource = ds.Ogrencilistesi(); baglanti.Open(); SqlCommand kom = new SqlCommand("select *from tbl_Kulupler", baglanti); SqlDataAdapter da = new SqlDataAdapter(kom); DataTable dt = new DataTable(); da.Fill(dt); cmbkulup.DisplayMember = "KulupAd"; cmbkulup.ValueMember = "Kulupid"; cmbkulup.DataSource = dt; baglanti.Close(); }