9. Implementing Custom Data-Bound Business Objects and Collections

Throughout most of the samples in this book I have used relational data sources, specifically typed data sets, as the data source to which you connect binding sources and controls from the form’s perspective. There are several reasons for this. One is that the predominate way of storing application data is in relational databases, and thus bringing the data into your application as a relational data collection provides a low impedance mismatch between the data that your application operates on and the data that your application persists and loads. Another is that the use of relational data in the presentation tier is still the most common way of presenting collections of ...

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