Hi Chris,
Please read
https://wicketinaction.com/2008/10/repainting-only-newly-created-repeater-items-via-ajax/
The article explains how to do this with ListView but the idea is the same
for all other repeaters.
On Wed, Dec 4, 2019 at 6:53 AM Chris Colman wrote:
> We're using a DataGridView and we're happily doing partial updates of
> existing items for select/deselect and when content changes.
>
> Updating existing items is fine because we can work out the changed Item
> (Component) and just add it to the AJAX request target.
>
> However, we're wondering if it's possible to do partial updates of newly
> added items? Currently for that we're adding the whole DataGridView to
> the AJAX target but it causes a refresh which resets the current scroll
> position so it's a bit annoying to the user.
>
> The trouble is we add new model items to the underlying collection that
> the IDataProvider exposes but not sure how we work out which Item is
> added for that and then how to tell it to update just that item in the UI.
>
>
>
>
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