unit Login_u; interface uses System.SysUtils, System.Classes, Data.DB, Data.Win.ADODB; type TDataUser = class(TDataModule) dtaUsers: TDataSource; adoUser: TADOQuery; private { Private declarations } public { Public declarations } end; var DataUser: TDataUser; implementation {%CLASSGROUP 'Vcl.Controls.TControl'} {$R *.dfm} end.