uitem_m.pas

程序採用了无状态连接池的三层结构

unit uitem_m;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, BaseInfo_m, StdCtrls, Mask, wwdbedit, DB, DBClient, wwcheckbox,
  wwdblook;

const
  WM_USER_DATAPROCESS = WM_USER+1024;

type
  Tfrmitem_m = class(Tfrmbaseinfo_m)
    Label2: TLabel;
    wwDBEdit1: TwwDBEdit;
    wwDBEdit2: TwwDBEdit;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    wwDBEdit5: TwwDBEdit;
    wwDBEdit6: TwwDBEdit;
    wwDBEdit7: TwwDBEdit;
    wwDBLookupCombo1: TwwDBLookupCombo;
    wwDBLookupCombo2: TwwDBLookupCombo;
    wwCheckBox1: TwwCheckBox;
    CDSunit: TClientDataSet;
    CDStype: TClientDataSet;
    CDSunitfcode: TWideStringField;
    CDSunitfname: TWideStringField;
    CDStypefcode: TWideStringField;
    CDStypefname: TWideStringField;
    procedure FormCreate(Sender: TObject);
  private
    procedure Dataprocess(Var Dataprocess:Tmessage);message WM_USER_DATAPROCESS;
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmitem_m: Tfrmitem_m;

implementation

uses item, common;

{$R *.dfm}

procedure Tfrmitem_m.Dataprocess(var Dataprocess: Tmessage);
begin
  GetallData(CDSunit,'vunit','fid',20);
  GetallData(CDStype,'vitemtype','fid',20);
  Application.ProcessMessages;
end;

procedure Tfrmitem_m.FormCreate(Sender: TObject);
begin
  inherited;
  Maintable:='titem';
  Masterfield:='fcode';
end;

end.