Fetching items from an ItemArray

Hello!
It's me again ;_;
Can someone show me how to fetch items from an ItemArray? What I've got so far:
 int h = tableDataSet.Tables["test_table"].Rows.Count;
      for (int y = 1; y <= h; y++)
      {
            DataRow tr = tableDataSet.Tables["test_table"].Rows[y];
            TableRow trN = new TableRow();  
            for (int j = 4; j < colCnt; j++)
            {                                         Go to the complete details ...