?? unit12.~pas
字號:
unit Unit12;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, DBGrids, DB, ADODB;
type
TForm12 = class(TForm)
ADOQuery1: TADOQuery;
DataSource1: TDataSource;
DBGrid1: TDBGrid;
Label1: TLabel;
Edit1: TEdit;
Button1: TButton;
procedure FormShow(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form12: TForm12;
implementation
{$R *.dfm}
procedure TForm12.FormShow(Sender: TObject);
begin
ADOQuery1.close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.add('select 用戶ID,用戶姓名,學號,專業 from login ');
Adoquery1.Open;
end;
procedure TForm12.Button1Click(Sender: TObject);
begin
ADOQuery1.close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.add('delete from login where 用戶ID = ''' +Edit1.Text+ '''');
ADOQuery1.ExecSQL;
ADOQuery1.close;
ADOQuery1.SQL.Clear;
ADOQuery1.sql.text:='select 用戶ID,用戶姓名,學號,專業 from login';
ADOQuery1.open;
edit1.text:='';
end;
end.
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