Using ADO.NET Classes
ADO.NET provides several classes you will need to become familiar with. Table 10.1 provides a short description of each of the classes you will encounter over the next several chapters.
|DataSet||DataSet objects can contain one or more DataTable objects, much like an in-memory database. You have the ability to set relationships between these DataTable objects. You can modify the data in a DataSet, and DataSet objects can hold both the original set of data and any modifications made to this data. You can then use other ADO.NET objects to submit these changes back to the data source. This class does not provide any means to communicate directly with any type of data source—that functionality ...|