udmclient.~pas

Delphi开发webservice的一套例子

unit udmClient;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, ExtCtrls, DBCtrls, ExtDlgs, Buttons, StdCtrls;

type
  TForm2 = class(TForm)
    DBNavigator1: TDBNavigator;
    DBGrid1: TDBGrid;
    DBImage1: TDBImage;
    BitBtn1: TBitBtn;
    Image1: TImage;
    SpeedButton1: TSpeedButton;
    opDlg: TOpenPictureDialog;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    LabeledEdit1: TLabeledEdit;
    procedure SpeedButton1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

uses fClientMain, DB;

{$R *.dfm}

procedure TForm2.SpeedButton1Click(Sender: TObject);
begin
  if (opDlg.Execute) then
  begin
    Image1.Picture.LoadFromFile(opDlg.FileName);
  end;
end;

procedure TForm2.BitBtn2Click(Sender: TObject);
var
  ams : TMemoryStream;
begin
  if (dmDemo1.cdsDemo1.State <> dsEdit) then
    dmDemo1.cdsDemo1.Edit;
  ams := TMemoryStream.Create;
  try
    Image1.Picture.Bitmap.SaveToStream(ams);
    dmDemo1.cdsDemo1IMAGE.LoadFromStream(ams);
//    dmDemo1.cdsDemo1IMAGE.LoadFromFile(opDlg.FileName);
    dmDemo1.cdsDemo1.Post;
  finally
    ams.Free;
  end;
end;

procedure TForm2.BitBtn1Click(Sender: TObject);
begin
  dmDemo1.cdsDemo1.ApplyUpdates(0);
end;

end.