unit5.~pas

毕业设计

unit Unit5;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ExtCtrls, Grids, DBGrids, ComCtrls, Db, DBTables, Buttons;

type
  TForm5 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    DBGrid1: TDBGrid;
    Label2: TLabel;
    Splitter1: TSplitter;
    Panel2: TPanel;
    Label3: TLabel;
    Label4: TLabel;
    Edit1: TEdit;
    Label5: TLabel;
    Edit2: TEdit;
    DataSource1: TDataSource;
    Query1: TQuery;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    procedure Button5Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
   // procedure TForm5.selectfrom(sender:tobject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation

{$R *.DFM}

procedure TForm5.Button5Click(Sender: TObject);
begin
 close;
end;

procedure TForm5.FormShow(Sender: TObject);
begin
 edit1.Text :='';
 edit2.Text :='';
end;
procedure TForm5.Button1Click(Sender: TObject);
begin
 query1.Insert;
 query1.edit;
 query1.FieldByName('姓名').asstring:=edit1.text;
 query1.FieldByName('密码').asstring:=edit2.text;
 query1.Post;
end;

procedure TForm5.Button3Click(Sender: TObject);
begin
 query1.Delete;
end;

procedure TForm5.BitBtn1Click(Sender: TObject);
begin
  query1.Insert;
  query1.edit;
  query1.FieldByName('姓名').asstring:=edit1.text;
  query1.FieldByName('密码').asstring:=edit2.text;
  query1.Post;
end;

procedure TForm5.BitBtn2Click(Sender: TObject);
begin
 if messagedlg('确实要删除该用户吗？',mtconfirmation,[mbyes,mbno],0)=mryes then
     query1.delete;
end;

procedure TForm5.BitBtn3Click(Sender: TObject);
begin
  close;
end;

end.