kcxxunit.pas

来自「delphi sqlserver 学生学籍管理系统」· PAS 代码 · 共 74 行

unit kcxxunit;

interface

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

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

var
  kcxxfrm: Tkcxxfrm;

implementation

{$R *.dfm}

procedure Tkcxxfrm.FormCreate(Sender: TObject);
begin
dbgrid1.readonly:=false;
qry.Open;
end;

procedure Tkcxxfrm.Button1Click(Sender: TObject);
begin
qry.Edit;
qry.Append ;
end;

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

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

end.