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PrimeFaces Cookbook - Second Edition by Oleg Varaksin, Mert Çalışkan

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Partial view submit

One other cool feature of the enhanced AJAX provided by PrimeFaces is the partialSubmit attribute that can be applied to action components and <p:ajax>, where only partially processed components are added to the AJAX requests with their ID's. By default, the JSF and PrimeFaces implementation serializes the whole form to send it via AJAX requests, and eventually, with large views, this will increase the size of the network data traffic that will be posted to the server. To overcome this problem, partial submit can be used to reduce the size of the post data when actions take place on views that have quite a lot of input fields. With this approach, only the ID's of the partially processed fields will be sent to the server.

How ...

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