bruce, i'm trying to do something similar...have you figured out how to do
this? if so would you be willing to share your examples?
"bruce barker" wrote:
> this can be done, but it will be tricky but fun.
>
> first the limitations:
>
> 1) by default (unless your users hack their registry) only two
> concurrent requests to the same web site are allowed. this will allow
> one update panel request, and a polling call.
>
> 2) if a page enables session, then requests are queued. this means the
> polling call can not use session to get status, or it will not return
> until the panel request finishes.
>
> so you want to assign a request guid to the update panel request (a
> hidden field will work). then the async event handles can update an
> object in a static pool identified by the request guid.
>
> make a second webservice that the client script can call passing the
> request guid, a return the status.
>
> instead of a webservice, you could also write a page that returned a
> cool gif of the status. use a client timer, and set an img src to the page.
>
> -- bruce (sqlwork.com)
>
>
> Dave wrote:
> > I'm using an async page to kick off a couple of asynchronous web services
> > using the PageAsyncTask class.
> >
> > I'm also testing a progress bar that uses an Ajax UpdatePanel and Timer
> > control to postback every 5 or 10 seconds and increment the progress.
> >
> > However, Is there a way to merge these two concepts so that I can check the
> > status of the IAsynchResult.IsCompleted property on each task and update the
> > UI without re-initializing my collection of IAsynchHandles
> >
> > I want to display to the user something like the following.
> >
> > "Task A" = Completed!
> > "Task B" = Completed!
> > "Task C" = Working...
> > "Task D" = Completed!
> >
> > Thanks, Dave.
> >
>
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