unit1.pas

来自「SQL2000跟课件学习的源代码 分享共同学习」· PAS 代码 · 共 58 行

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, DB, DBTables, StdCtrls, ExtCtrls, ComCtrls,
  Buttons, ToolWin, DBCtrls, Mask;

type
  TForm1 = class(TForm)
    SpeedButton1: TSpeedButton;
    DBEdit1: TDBEdit;
    SpeedButton6: TSpeedButton;
    DBEdit2: TDBEdit;
    Label2: TLabel;
    DBComboBox1: TDBComboBox;
    SpeedButton4: TSpeedButton;
    DateTimeBirthday: TDateTimePicker;
    SpeedButton2: TSpeedButton;
    DBLookupComboBox1: TDBLookupComboBox;
    SpeedButton5: TSpeedButton;
    DBEdit3: TDBEdit;
    Label1: TLabel;
    DBText1: TDBText;
    DBGrid1: TDBGrid;
    Label3: TLabel;
    DBText2: TDBText;
    DBNavigator1: TDBNavigator;
    procedure SpeedButton1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.SpeedButton1Click(Sender: TObject);
var
  SearchHint:   String;
begin
  Case (Sender As TSpeedButton).Tag of
    1:  SearchHint := '学号';
    2:  SearchHint := '姓名';
    3:  SearchHint := '出生年月';
    4:  SearchHint := '所在班级';
    5:  SearchHint := '联系电话';
  end;
end;

end.