Sort dynamic dropdown

Hi Manish,

You can use the `xxf:sort()` function for this (see link below for more on
that function). For instance to sort the list of countries in reverse
alphabetical order, you would do:

xxf:sort(/countries/country, name, 'text', 'descending')

And replace `descending` by `ascending` to get the normal alphabetical
order. (I'm just doing the reverse here, as the service I've used already
returns a list sorted in alphabetical order, so you wouldn't see the
difference.) In the Form Builder Control Settings dialog you'd have
something like:  dynamic-dropdown-xxf-sort.png
<http://discuss.orbeon.com/file/t119778/dynamic-dropdown-xxf-sort.png>  .
You'll let me know if this works for you!

https://doc.orbeon.com/xforms/xpath/extension-functions/extension-xml#xxf-sort

‑Alex

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