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delphi+access网络考试系统[开题报告＋论文＋源代码(4)

2013-06-04 01:56 tor1: TDBNavigator;
    GroupBox2: TGroupBox;
    Label8: TLabel;
    Label9: TLabel;
    BitBtn5: TBitBtn;
    TabSheet3: TTabSheet;
    DBGrid2: TDBGrid;
    DBNavigator2: TDBNavigator;
    DataSource2: TDataSource;
    Panel2: TPanel;
    GroupBox3: TGroupBox;
    Label10: TLabel;
    Label11: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    procedure FormShow(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure BitBtn5Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn6Click(Sender: TObject);
    procedure BitBtn7Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Operatorfrm: TOperatorfrm;

implementation

uses Undm;

{$R *.dfm}

procedure TOperatorfrm.FormShow(Sender: TObject);
begin
if datamodule1.cDSManerge.Fields[2].Value=2 then
   tabsheet2.Enabled:=false;
end;

procedure TOperatorfrm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
datamodule1.CDSManerge.ApplyUpdates(-1);
action:=cafree;
end;

procedure TOperatorfrm.BitBtn5Click(Sender: TObject);

大学排名

begin
close;
end;

procedure TOperatorfrm.BitBtn3Click(Sender: TObject);
begin
datamodule1.cDSManerge.Insert;

dbedit1.Enabled:=true;
dbedit2.Enabled:=true;
dbedit3.Enabled:=true;
dbedit1.SetFocus;
end;

procedure TOperatorfrm.BitBtn4Click(Sender: TObject);
begin
datamodule1.cDSManerge.Delete;
dbedit1.Enabled:=false;
dbedit2.Enabled:=false;
dbedit3.Enabled:=false;
end;

procedure TOperatorfrm.BitBtn1Click(Sender: TObject);
begin
 if (edit1.Text='')or(edit2.Text='')or(edit3.Text='')or (edit4.Text='') then
  begin
  showmessage('请完整输入你的信息，编辑框中的内容不能为空！');
  exit;
  end
 else
  if not datamodule1.cDSManerge.Locate('姓名',edit1.Text,[]) then
   //begin
   showmessage('数据库中没有这个用户名，请重新输入')
  else
    if edit2.Text=datamodule1.cDSManerge.Fields[1].Value then
      if edit3.Text=edit4.Text then
       begin
        datamodule1.cDSManerge.Edit;
        datamodule1.cDSManerge.Fields[1].Value:=edit3.Text;
        datamodule1.cDSManerge.Post;
        showmessage('你已经正确修改你的口令，请记住你的新口令！');
        e