The DataAdapter
In Chapter 2, you looked at the DataSet as a collection of DataTable objects. You used the DataTables in the DataSet to populate one or more server controls on an ASP.NET Web Form. The DataAdapter is the bridge between the DataSet and the data store.
Unlike the past model of connection-based data processing, the DataAdapter works on a disconnected message-based model, revolving around and delivering chunks of info- rmation in a disconnected fashion. The DataAdapter is made up of four command methods, a TableMappings collection, a Command collection, and an Exception collection (for OleDbErrors). Like the other objects in the Managed Providers, the DataAdapter comes in two stock flavors, the SqlDataAdapter and the OleDbDataAdapter ...
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