[Laszlo-user] emptying a dataset

[Henry Minsky]

Try dataset.setData([ ]) might do what you want. That is, passing in an
empty array.



On Thu, May 22, 2008 at 1:35 PM, Jesse Norell <jesse at kci.net> wrote:

> Hello,
>
>  What is the proper way to empty a dataset?  If I use setChildNodes([])
> it seems to do what I want, except inspecting the dataset shows "data"
> still holds the old values.  Maybe that's not a problem?  I could follow
> up the setChildNodes() with a datasetname.data=[], but I don't know if
> that's a bad thing to do or not (has side effects?  memory leaks?).
> (And a maybe related question: do you need to worry about memory leaks
> in openlaszlo apps?)
>
>  I've also tried to use destroy() and assign a new LzDataset(), but the
> databound components don't work after that.
>
>  I imagine you could loop through the entire dataset calling
> removeChild() on each child node, but I suspect that would be
> inefficient for large datasets.
>
> Thanks,
> Jesse
>
>
> --
> Jesse Norell
> Kentec Communications, Inc.
> jesse at kci.net
>



-- 
Henry Minsky
Software Architect
hminsky at laszlosystems.com
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