string connection = ConfigurationManager.ConnectionStrings["mysql"].ConnectionString;
DataSet ds = new DataSet(); MySqlDataAdapter sa = new MySqlDataAdapter("SELECT * FROM oc_order where aktarma = 0 ", connection); sa.Fill(ds); DataGridView2.DataSource = ds.Tables[0]; DataGridView2.Refresh(); DataGridView3.Refresh();
for (int i = 0; i < ds.Tables[0].Rows.Count; i++) {    string order_id = ds.Tables[0].Rows[i]["order_id"].ToString().Replace(" ", "");    string gelen = order_id; }