static void Main(string[] args) { OBConnection OBConn = new OBConnection("Triumph", "Data Source=10.209.41.166:1521/TRIUMP;User ID=viewer;Password=cprt_hsi;Unicode=True"); System.Data.DataSet results = OBConn.Query("Select username From hsi.useraccount"); System.Data.DataTable resultTable = results.Tables[0]; for (System.Int32 x = 0; x < resultTable.Rows.Count; x++ ) { for (System.Int32 y = 0; y < resultTable.Columns.Count; y++) { Console.WriteLine(resultTable.Rows[x][y]); } } Console.ReadLine(); }