A:

unit Unit1;

interface

uses
  SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
  Forms, Dialogs, DB, DBTables, StdCtrls, Grids, DBGrids;

type
  TForm1 = class(TForm)
    Button1: TButton;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Table1: TTable;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  list: TList;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  list := TList.create;
  with list do begin
    add(TTable.create(self));
    with TTable(items[count - 1]) do begin
      DatabaseName := 'DBDEMOS';
      TableName := 'customer.db';
      name := 'foo';
      open;
    end;
    Datasource1.DataSet := TTable(items[count - 1]);
  end;
end;

end.