rt_find.~pas

来自「很不错很实用的学生联机考试系统」· ~PAS 代码 · 共 45 行

unit rt_find;

interface

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

type
  TRtFind = class(TForm)
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Query1: TQuery;
    Database1: TDatabase;
    Panel1: TPanel;
    Button1: TButton;
    Label1: TLabel;
    ComboBox1: TComboBox;
    StatusBar1: TStatusBar;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  RtFind: TRtFind;

implementation

{$R *.dfm}

procedure TRtFind.Button1Click(Sender: TObject);
var str:string ;
begin
str:='select * from QURRYTABLE WHERE PAPER_ID='''+ComboBox1.Text+'''';
query1.SQL.Clear;
query1.SQL.Add(str);
query1.Open;
end;

end.