dl.~pas

某计算机学院的毕业设计及论文

unit DL;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, ADODB, StdCtrls, Buttons;

type
  TDLForm = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    ADOTable1: TADOTable;
    procedure BitBtn2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure Edit1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit2KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  DLForm: TDLForm;

implementation

uses main;

{$R *.dfm}

procedure TDLForm.BitBtn2Click(Sender: TObject);
begin
  ADOTable1.Locate('YHM',Edit1.Text, [loPartialKey]);
   if not ((Edit1.Text=ADOTable1.FieldByName('YHM').AsString)and((Edit2.Text=ADOTable1.FieldByName('MM').AsString))) then
   begin
    Application.MessageBox('用户或密码不正确,请重新输入！','提示');
   end else
   close;
end;

procedure TDLForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  if not ((Edit1.Text=ADOTable1.FieldByName('YHM').AsString)and((Edit2.Text=ADOTable1.FieldByName('MM').AsString))) then
   DLForm.ModalResult:= mrNo
  else begin
    if ADOTable1.FieldByName('QX').AsString='管 理 员' then
      frMain.N8.Enabled:=True
     else
      frMain.N8.Enabled:=False;
  end;
  ADOTable1.Close;

end;

procedure TDLForm.FormShow(Sender: TObject);
begin
  ADOTable1.Open;
end;

procedure TDLForm.Edit1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key=13 then
  edit2.SetFocus;
end;

procedure TDLForm.Edit2KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key=13 then
  BitBtn2Click(nil);
end;

end.