Caching Data Locally
As you saw from some of the chapters earlier in this book, RIA Services provides an easy and elegant means for obtaining data from and persisting data to a server. However, what if a connection to the server is suddenly not available? Do you want all the users of your application to be forced to wait until they are (or the server is) back online again? Or do you want them to be able to continue working (as much as possible) in the meantime until a connection to the server is restored?
This type of scenario is known as “occasionally connected applications” and is generally handled by downloading and caching commonly used data from the server locally that the users may require when they are offline. This cache will need to ...
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