privatevoid GetRowsByFilter() { DataTable table = DataSet1.Tables["Orders"]; // Presuming the DataTable has a column named Date. string expression; expression ="Date > #1/1/00#"; DataRow[] foundRows; // Use the Select method to find all rows matching the filter. foundRows = table.Select(expression); // Print column 0 of each returned row. for(int i =0; i < foundRows.Length; i ++) { Console.WriteLine(foundRows[i][0]); } }