chengjichaxuntiong.pas

教务管理子系统的基本功能实现

unit chengjichaxuntiong;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Buttons, DB, Grids, DBGrids, StdCtrls, ExtCtrls;

type
  Tchengjichaxunfrm = class(TForm)
    DBGrid1: TDBGrid;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    Label1: TLabel;
    Panel1: TPanel;
    ComboBox1: TComboBox;
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  chengjichaxunfrm: Tchengjichaxunfrm;

implementation
uses studmessage, datamodal;

{$R *.dfm}

procedure Tchengjichaxunfrm.SpeedButton1Click(Sender: TObject);
var
  str:string;
  begin
   str:=trim(stumessage.Edit1.Text);
   if  ComboBox1.Items.Text=inttostr(20071) then
   begin
   DataModule1.cjlrQuery.Close;
   DataModule1.cjlrQuery.SQL.Clear;
   DataModule1.cjlrQuery.SQL.Add('select * from cjlr where (cjlr.studentno='''+str+''')');
   DataModule1.cjlrQuery.Open;
   end;
   end;



procedure Tchengjichaxunfrm.SpeedButton2Click(Sender: TObject);
begin
close;
end;

end.