zcllunit1.~pas

这是一个Delphi很好很全面知识的实例

unit ZCLLUnit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids;

type
  TZCLLForm = class(TForm)
    DBGrid1: TDBGrid;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure DBGrid1MouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  ZCLLForm: TZCLLForm;

implementation

uses MDUnit1, mainUnit1;

{$R *.dfm}

procedure TZCLLForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  mainform.ToolButton2.Enabled:=true;
  md.ADOZCTable2.Active:=false;
  md.ADOSRTable1.Active:=true;
  free;
end;

procedure TZCLLForm.FormShow(Sender: TObject);
begin
  md.ADOZCTable2.Active:=true;
end;

procedure TZCLLForm.DBGrid1MouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  md.ADOZCTable2.Active:=true;//当鼠标单击DBGrid显示记录
end;

end.