An ADO.NET DataSet provides a
disconnected data source environment for applications. It can be used with multiple
data sources. A DataSet has the flexibility of handling data locally in cache memory
where the application resides. The application can continue working with a DataSet
when it is disconnected from the source and is not dependent on the availability
of the data source. The DataSet maintains information about the changes made to
data so that updates can be tracked and sent back to the database as soon as the data
source is available or reconnected.
Chapter 6 covers LINQ to XSD. It enhances XML programming by adding the feature
of typed views on un-typed XML trees. LINQ to XSD gives a better programming
environment by providing the object models generated from XML schemas. This is
called typed XML programming.
Chapter 7 looks at standard query operators provided by LINQ, and how you can
use some of them against different data sources.
Appendix A takes you through building a simple ASP.
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