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| unit Mainprog;
interface
uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, Db, DBTables, StdCtrls, ExtCtrls, DBCtrls, Grids, DBGrids;
type TForm1 = class(TForm) Table1: TTable; DataSource1: TDataSource; DBGrid1: TDBGrid; DBNavigator1: TDBNavigator; Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Memo1: TMemo; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); procedure Button4Click(Sender: TObject); private public end;
var Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject); begin if not table1.active then table1.open; end;
procedure TForm1.Button2Click(Sender: TObject); begin table1.close; end;
procedure TForm1.Button3Click(Sender: TObject); begin close; end;
procedure TForm1.Button4Click(Sender: TObject); begin Memo1.Lines.Clear; with dbGrid1.DataSource.DataSet do begin DisableControls; First; while not EOF do begin if dbGrid1.SelectedRows.CurrentRowSelected then Memo1.Lines.Add(IntToStr(RecNo)); Next; end; First; EnableControls; end; end;
end. |