datamodule.pas

基于SQL数据库,实现所有图书馆基本功能 可以按图书类别系别班别等信息自动生成书号或学号

unit DataModule;

interface

uses
  SysUtils, Classes, DB, ADODB;

type
  TDM = class(TDataModule)
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    ADOQuery2: TADOQuery;
    ADOQuery3: TADOQuery;
    ADOQuery4: TADOQuery;
    DataSource2: TDataSource;
    DataSource3: TDataSource;

  private
    { Private declarations }
  public
    { Public declarations }
        str_user:string;
  end;

var
  DM: TDM;

implementation

{$R *.dfm}

end.