del_ptgly.~pas

系统管理程序的源码

unit del_ptgly;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, DBTables, StdCtrls, Mask, DBCtrls;

type
  Tscptgly = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Button1: TButton;
    Button2: TButton;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  scptgly: Tscptgly;

implementation

uses mydata;

{$R *.dfm}

procedure Tscptgly.Button2Click(Sender: TObject);
begin
if (edit1.text='')or(edit2.text='')or(edit3.text='') then
 begin
   showmessage('用户名或口令不能为空') end else begin
data.tptgly.Filter :='name='''+edit1.Text+'''';
data.tptgly.Filtered:=true;
data.tptgly.Open;
if (edit1.text=dbedit2.text)and(edit2.Text=edit3.Text)and(edit2.Text=dbedit1.text) then
   begin
   data.tptgly.Delete;edit1.Text:='';edit2.Text :=''; edit3.Text :=''
   end
 else
  showmessage('您的输入有误,不能删除此管理员!')

 end;
 edit1.Text :='';
 edit2.text:='';
 edit3.text:='';
 data.tptgly.close;
 data.tptgly.open;
end;

procedure Tscptgly.Button1Click(Sender: TObject);
begin
scptgly.Close;
end;

end.