private void GetTables ( DataSet ds ) {
   // get each DataTable in the DataTableCollection and print each row value.

   foreach ( DataTable tbl in ds.Tables ) {

      foreach ( DataRow row in tbl.Rows ) {

         foreach ( DataColumn col in tbl.Columns ) {
            if ( row [ col ] != null ) {
               Response.Write ( row [ col ] );
            }
         }
      }
    }
}

private void CreateTable ( DataSet ds ) {
   DataTable newTable = new DataTable ( "myTable" );
   newTable.Columns.Add ( "ID", typeof ( int ) );
   newTable.Columns.Add ( "Name", typeof ( string ) );
   ds.Tables.Add ( newTable );
}

Private Sub GetTables ( ds As DataSet )
   ' get each DataTable in the DataTableCollection and print each row value.
   Dim tbl As DataTable
   For Each tbl In ds.Tables
      Dim row As DataRow
      For Each row In tbl.Rows
         Dim col As DataColumn
         For Each col in tbl.Columns
            If Not ( row ( col ) Is Nothing ) Then
               Response.Write ( row ( col ) )
            End If
         Next
      Next
   Next
End Sub

Private Sub CreateTable ( ds As DataSet )
   Dim newTable As new DataTable ( "myTable" )
   newTable.Columns.Add ( "ID", Type.GetType ( "System.Int32" ) )
   newTable.Columns.Add ( "Name", Type.GetType ( "System.String" ) )
   ds.Tables.Add ( newTable )
End Sub