private void cbTureGore_SelectedIndexChanged(object sender, EventArgs e) { cUrun u = new cUrun(); ds = u.UrunleriGetirByTur(cbTureGore.SelectedItem.ToString()); dgvStok.DataSource = ds.Tables["Stok"]; int ToplamMiktar = 0; double ToplamTutar = 0; foreach (DataRow dr in ds.Tables["Stok"].Rows) { ToplamMiktar += Convert.ToInt32(dr["Miktar"]); ToplamTutar += Convert.ToDouble(dr["Tutar"]); } txtToplamMiktar.Text = ToplamMiktar.ToString(); txtToplamTutar.Text = string.Format("{0:C}", ToplamTutar); GridViewDuzenle(); dgvStok.Columns["UrunAd"].Width = 225; dgvStok.Columns["Tutar"].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight; }