On 10/10/07, trainee24 <
[hidden email]> wrote:
> i would like to ask is it possible to implement paging in orbeon 3.5.1?
> could someone please give me some guides
> on how to implement it? Any help given will be greatly appreciated. Thanks
> in advance.
There are essentially 2 ways, depending on the number of total items:
1) If it is reasonable to load all the items in an instance, you can
then do the paging by storing the current page in another instance and
using in the <xforms:repeat> a nodeset expression like
/items/item[position() ge number(instance('page')) * 20 and position()
lt (number(instance('page')) +1) * 20].
2) Otherwise, you need to query the database every time the user moves
to next/previous page to get a set of data which has exactly the size
of one page.
#2 is the most scalable, but adds round trips to the database and
usally requires some more coding.
Alex
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Orbeon Forms - Web 2.0 Forms, open-source, for the Enterprise
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