Yes.. your correct... you can't do it with XHR... you need a form and an iframe. It gives you an AJAX-like effect.
2009/8/4 Juan E. Maya <maya.j...@gmail.com> > I would really like to see how is possible to upload documents via ajax. > As long as i have seen DWR uses an IFrame. what do u mean by a hidden > form? Do u have any examples? > > On Tue, Aug 4, 2009 at 3:01 PM, Lance Java<lance.j...@googlemail.com> > wrote: > > This is not exactly true... you can use a hidden form. This may require a > > bit of javascript to move the file objects to the hidden form, post the > the > > form then move them back to their visible location. DWR uses this trick. > > Browser security is such that you can not set the value of a file object > > with javascript, the user must do this. > > > > 2009/8/4 Juan E. Maya <maya.j...@gmail.com> > > > >> Ajax doesn't allow to use multipart forms, therefore u can't upload > >> files using ajax. If u check carefully google is using a flash control > >> for this. U could also try to mess around with iframes but it's a big > >> mess.. > >> > >> This flash controller could be useful for u: http://swfupload.org/ if > >> u decide to go for a flash based control > >> > >> On Tue, Aug 4, 2009 at 2:11 PM, kk4Nabble<kavya....@gmail.com> wrote: > >> > > >> > Hi all. > >> > > >> > Am using Tapestry 4.1.5. > >> > Can anybody help me with uploading multiple files. Just like Gmail > does. > >> > > >> > Right now i can upload single file ,But how to upload multiple files > via > >> > AJAX. > >> > Is there any way to do it. > >> > > >> > is there anyway to do through the dojo which is integrated with > tapestry > >> 4? > >> > Please suggest.. > >> > > >> > Thank u all. > >> > > >> > > >> > -- > >> > View this message in context: > >> > http://www.nabble.com/-T4-.-multiple-file-upload.-Help.-tp24807257p24807257.html > >> > Sent from the Tapestry - User mailing list archive at Nabble.com. > >> > > >> > > >> > --------------------------------------------------------------------- > >> > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > >> > For additional commands, e-mail: users-h...@tapestry.apache.org > >> > > >> > > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > >> For additional commands, e-mail: users-h...@tapestry.apache.org > >> > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > >
