zyglunit.pas

来自「delphi sqlserver 学生学籍管理系统」· PAS 代码 · 共 66 行

unit zyglunit;

interface

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

type
  Tzygl = class(TForm)
    ToolBar1: TToolBar;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Panel1: TPanel;
    DBGrid1: TDBGrid;
    qry: TQuery;
    DataSource1: TDataSource;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  zygl: Tzygl;

implementation

{$R *.dfm}

procedure Tzygl.Button1Click(Sender: TObject);
begin
qry.edit;
qry.Append;
end;

procedure Tzygl.Button2Click(Sender: TObject);
begin
if application.MessageBox('确实要删除这条记录吗?','提示',mb_okcancel+mb_iconinformation)=id_ok then
with qry do
 if isempty=false then
  delete;
end;

procedure Tzygl.Button3Click(Sender: TObject);
begin
qry.edit;
qry.Post;
qry.close;
qry.Open;
end;

procedure Tzygl.Button4Click(Sender: TObject);
begin
close;
end;

end.