questionedit.pas

很不错很实用的学生联机考试系统

unit QuestionEdit;

interface

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

type
  TQ_Edit = class(TForm)
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label7: TLabel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Query1: TQuery;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    DBEdit1: TDBEdit;
    DBMemo1: TDBMemo;
    Label10: TLabel;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    Label8: TLabel;
    DBEdit6: TDBEdit;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Q_Edit: TQ_Edit;

implementation

{$R *.dfm}

procedure TQ_Edit.FormClose(Sender: TObject; var Action: TCloseAction);
begin
Action := caFree;
end;

procedure TQ_Edit.FormCreate(Sender: TObject);
begin
Query1.CachedUpdates := true;
end;

procedure TQ_Edit.Button1Click(Sender: TObject);
begin
Query1.Append;
end;

procedure TQ_Edit.Button2Click(Sender: TObject);
begin
Query1.ApplyUpdates;
end;

procedure TQ_Edit.Button3Click(Sender: TObject);
begin
Query1.Delete;
Query1.ApplyUpdates;
end;



end.