demo13.pas

Delphi的几个有用的源代码

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    Button1: TButton;
    Button2: TButton;
    DataSource1: TDataSource;
    Query1: TQuery;
    DBGrid1: TDBGrid;
    Label1: TLabel;
    Label2: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
Query1.Close;
Query1.SQL.Clear;
Query1.SQL.Add(Memo1.Text);
query1.Open;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Query1.Close;
Query1.SQL.Clear;
Query1.ExecSQL;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
memo1.Text:='';
end;

end.