数据库图片字段为OLE:代码如下
procedure TForm1.speedButton1click(sender:TObject)
var
  Picture1:TPicture;
begin
  Picture1:=TPicture.create;
  if OpenpictureDialog1.Execute then
  begin
     ADOQuery1.edit;
     Picture1.Loadfromfile(OpenPicturedialog1.filename);
     ADOQuery1.fielByname('Opphoto').assign(picture1);
     ADOQuery1.post;
     picture1.free;
     ADOQuery1.active:=false;  
     ADOQuery1.active:=ture;
     
end;
用这段代码为什么DBImage不显示图片,也保存不到数据库里?