Dino Esposito builds upon his exploration of new data binding features coming in the ASP.NET Ajax Library, explaining how to implement the predictive fetch design pattern.
Last month I discussed the implementation of master-detail views using the new features coming with the ASP.NET Ajax Library. The list of new features includes a syntax for client-side live data binding and a rich rendering component, exemplified by the DataView client control. By putting these features together, you can easily build nested views to represent one-to-many data relationships.
In the ASP.NET Ajax Library, the mechanics of master-detail views are largely defined in the logic of the DataView component and in the way the component handles and exposes its events.
This month I’ll go one step further and discuss how to implement a common and popular AJAX design pattern—predictive fetch—on top of the ASP.NET Ajax Library. Basically, I’ll extend last month’s example—a relatively standard drill-down view into customer details—to automatically and asynchronously download and display related orders, if any exist. In doing so, I’ll touch on some jQuery stuff and take a look at the new jQuery integration API in the ASP.NET Ajax Library.
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