unit1.pas

oracle基础知识讲义

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, TeEngine, Series, StdCtrls, ExtCtrls, TeeProcs, Chart, DbChart,
  DB, DBTables, Grids, DBGrids;

type
  TForm1 = class(TForm)
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Table1: TTable;
    DBChart1: TDBChart;
    CheckBox1: TCheckBox;
    CheckBox2: TCheckBox;
    Series1: TPieSeries;
    GroupBox1: TGroupBox;
    procedure FormCreate(Sender: TObject);
    procedure CheckBox1Click(Sender: TObject);
    procedure CheckBox2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Table1.open;
  Table1.Active:=True;
  CheckBox1.Checked:=True;
end;

procedure TForm1.CheckBox1Click(Sender: TObject);
begin
  if CheckBox1.Checked then
    DBChart1.View3D:=True
  else
    DBChart1.View3D:=False;
end;

procedure TForm1.CheckBox2Click(Sender: TObject);
begin
  if CheckBox2.Checked then
    DBChart1.AxisVisible:=True
  else
    DBChart1.AxisVisible:=False;
end;

end.