unit12.~pas

图书管理系统是典型的信息管理系统(MIS),其开发主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面。对于前者要求建立起数据一致性和完整性强、数据安全性好的库。而对于后者则要求应用程序功能完

unit Unit12;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGrids;

type
  TForm12 = class(TForm)
    DBGrid1: TDBGrid;
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    ComboBox1: TComboBox;
    Memo1: TMemo;
    Button1: TButton;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form12: TForm12;

implementation

{$R *.dfm}

end.