AW: Performance Problem with large file

[Tiemo Hollmann TB]

And how about just showing a progress bar and the field only when it's
finished?
My 2 cents
Tiemo

> -----Ursprüngliche Nachricht-----
> Von: use-revolution-bounces at lists.runrev.com [mailto:use-revolution-
> bounces at lists.runrev.com] Im Auftrag von Richard Gaskin
> Gesendet: Donnerstag, 22. Februar 2007 16:51
> An: How to use Revolution
> Betreff: Re: Performance Problem with large file
> 
> Len Morgan wrote:
> > ...the problem is that I'm displaying the file in a rather large
> > text field as it is being built up.  Each line of the CSV file
> > generates about 40 lines of XML.
> 
> That's one reason I rarely bother with XML. :)
> 
> > In the test file I have, it takes about 3 seconds per record
> > (total of 98 records).   Just to see where the hang up was,
> > I set the visibility of the output field to false, generated
> > the file data, then turned it back on and it only takes about
> > 3 seconds for the entire file!  The problem is that when
> > visibility is turned off, I have this big "hole" in the middle
> > of the application (about 3/4ths of the screen) which then
> > comes back on when it's done.
> 
> Working directly in fields is usually a couple orders of magnitude
> slower than working in a variable (see this metaphor for lighthearted
> explanation of why:
> <http://lists.runrev.com/pipermail/use-revolution/2005-May/057143.html>).
> 
> Rather than hide the field, could you do the conversion in a variable
> and then drop the text into the field when you're done?
> 
> Or if the user needs to see the progress while it's happening, maybe you
> could dump the variable into the field after every hundredth record or so.
> 
> Lots of ways to do this, but the key to all of them is to move the work
> from the field to a variable.
> 
> --
>   Richard Gaskin Managing Editor, revJournal
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