uneditstu.pas

自己写的学生成绩管理系统

unit uneditstu;

interface

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

type
  Tfmeditstu = class(TForm)
    Label1: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    Label9: TLabel;
    DBEdit1: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    DBEdit6: TDBEdit;
    DateTimePicker1: TDateTimePicker;
    DBImage1: TDBImage;
    Button1: TButton;
    Edit1: TEdit;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    DBEdit7: TDBEdit;
    DataSource1: TDataSource;
    OpenPictureDialog1: TOpenPictureDialog;
    ADOQuery1: TADOQuery;
    procedure FormCreate(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  fmeditstu: Tfmeditstu;

implementation
    uses unmain;
{$R *.dfm}

procedure Tfmeditstu.FormCreate(Sender: TObject);
begin
  if adoquery1.Active then
    begin
      adoquery1.SQL.Clear;
      adoquery1.SQL.Add('select * from student where 学号=:var0');
      adoquery1.Parameters[0].Value:=username;
      adoquery1.Open;
      datetimepicker1.Date:=adoquery1.fieldbyname('出生日期').AsDateTime;
       adoquery1.Edit;
    end;

  
end;

procedure Tfmeditstu.Button3Click(Sender: TObject);
begin
   dbedit1.Clear;
   //dbedit2.Clear;
   dbedit3.Clear;
   dbedit4.Clear;
   dbedit5.Clear;
   dbedit6.Clear;
   dbedit7.Clear;
   edit1.Clear;
   datetimepicker1.Date:=date();
   dbedit1.SetFocus;
end;

procedure Tfmeditstu.Button1Click(Sender: TObject);
begin
   if openpicturedialog1.Execute then
     begin
        edit1.Text:=openpicturedialog1.FileName;

     end;
end;

procedure Tfmeditstu.Button4Click(Sender: TObject);
begin
   dbimage1.Picture.LoadFromFile(edit1.Text);
end;

procedure Tfmeditstu.Button2Click(Sender: TObject);
begin
   if adoquery1.Modified then
  begin
     adoquery1.FieldByName('出生日期').Value:=datetimepicker1.Date;
     adoquery1.Post;
     showmessage('信息修改成功！');
     close;
     end
    else
       showmessage('修改失败！'); 

end;

end.