w_grxjbb.pas

系统管理程序的源码

unit w_grxjbb;

interface

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

type
  Tfrxjbb = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    DBLookupComboBox1: TDBLookupComboBox;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frxjbb: Tfrxjbb;

implementation

uses mydata, w_xsgrxjbb;

{$R *.dfm}

procedure Tfrxjbb.Button2Click(Sender: TObject);
begin
data.txj.close;
data.txj.Open;
frxjbb.close;
end;

procedure Tfrxjbb.Button1Click(Sender: TObject);
begin
data.txj.Open;
//count:=0;
if (dblookupcombobox1.Text='')and(edit1.Text='') then begin
  application.MessageBox('请选择班级和学号!','提示',mb_OK);
 // showmessage('请选择班级和学号。')
    end else begin
  data.txj.Open;
  data.txj.Filter:='班级='''+dblookupcombobox1.text+'''and 学号='''+edit1.text+'''';
  data.txj.Filtered :=true;
  xsgrxjbb.quickrep1.Preview  ;
 // count:=count+1;

  end;
end;

procedure Tfrxjbb.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if data.txj.Filtered=true then
data.txj.Filtered:=false;
end;

end.