unit6.pas

来自「简单的团员管理系统.是书上的一个示例,大家共享」· PAS 代码 · 共 68 行

unit Unit6;

interface

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

type
  TForm6 = class(TForm)
    Label1: TLabel;
    Panel1: TPanel;
    DBGrid1: TDBGrid;
    DBGrid2: TDBGrid;
    DBGrid3: TDBGrid;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    Label2: TLabel;
    Table1: TTable;
    Table2: TTable;
    Table3: TTable;
    DataSource1: TDataSource;
    DataSource2: TDataSource;
    DataSource3: TDataSource;
    Edit1: TEdit;
    Button1: TButton;
    procedure RadioButton1Click(Sender: TObject);
    procedure RadioButton2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form6: TForm6;

implementation

{$R *.dfm}

procedure TForm6.RadioButton1Click(Sender: TObject);
begin
EDIT1.Text:=inttostr(table3.RecordCount);
end;

procedure TForm6.RadioButton2Click(Sender: TObject);
begin
table3.Active:=false;
table3.MasterFields:='';
table3.IndexName:='';
table3.Active:=true;
edit1.Text:=inttostr(table3.RecordCount);
table3.Active:=false;
table3.MasterSource:=datasource2;
table3.MasterFields:='专业班级';
table3.IndexName:='ZYBJ';
table3.Active:=true;
end;

procedure TForm6.Button1Click(Sender: TObject);
begin
close;
end;

end.