unit MC_GZ;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Buttons, Db, DBTables, Grids, DBGrids;

type
  TGZ = class(TForm)
    GroupBox1: TGroupBox;
    Edit1: TEdit;
    DBGrid1: TDBGrid;
    Table1: TTable;
    DataSource1: TDataSource;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    Table1BDEDesigner: TStringField;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  GZ: TGZ;

implementation

{$R *.DFM}

procedure TGZ.FormClose(Sender: TObject; var Action: TCloseAction);
begin
     GZ.Release;
     GZ:=Nil;
end;

procedure TGZ.BitBtn1Click(Sender: TObject);
begin
     if Length(Edit1.Text)=0 then
        ShowMessage('請輸入添加的工種信息')
     else
        Table1.AppendRecord([Edit1.Text]);
end;

procedure TGZ.BitBtn2Click(Sender: TObject);
begin
     if Table1.RecordCount<>0 then Table1.Delete;
end;

end.