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ZK Developer's Guide by Markus Stauble, Hans-Jurgen Schumacher, Jurgen Schumacher

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AJAX—Live Data

There are many discussions around AJAX. Everybody understands different things if we are talking about richness and responsiveness of an application. However, one thing everybody would agree is that one feature of a user interface should be to show actual data. In the start page (index.zul) in Chapter 2, we implemented a listbox, which shows the media instances from the underlying persistent storage. The listbox component has a header (realized with the listheader component) and the content. In addition to the attributes of a media class there is one column (symbolized with the recycling bin image) to delete a media item. If we click on the image the media is removed, and with Executions.sendRedirect("index.zul") the page ...

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