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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, DBGrids, DB, ADODB;
type
TForm1 = class(TForm)
qry1: TADOQuery;
ds1: TDataSource;
dbgrd1: TDBGrid;
btn1: TButton;
btn2: TButton;
procedure btn1Click(Sender: TObject);
procedure btn2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
uses Unit2;
{$R *.dfm}
procedure TForm1.btn1Click(Sender: TObject);
begin
qry1.Active := not qry1.Active;
end;
procedure TForm1.btn2Click(Sender: TObject);
begin
if not Assigned(form2) then
form2:= TForm2.Create(Application);
try
Form2.Show;
except
end;
end;
end.
unit Unit2;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Unit1, DB, ADODB, StdCtrls, Grids, DBGrids;
type
TForm2 = class(TForm1)
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
{$R *.dfm}
end.