Summary

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In this chapter you learned about ADO.NET, the most recent evolution of ActiveX Data Objects. You saw that there are great benefits to using ADO.NET, including the following:

• Interoperability

• Maintainability

• Programmability

• Performance

• Scalability

You also received a high-level overview of the ADO.NET object model, and you learned that the DataSet is the centerpiece of an ADO.NET solution. In each DataSet , there's a RelationsCollection and a TablesCollection. In each DataTable of the TablesCollection , there's a columns collection and a rows collection. You also saw some code samples for dynamically building an ADO.NET DataSet .

As you progress through this book, you'll look deeper into the object model and write code against the ADO.NET objects.

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