Essential ADO.NET

7.5. The XmlDataDocument Class

Having come at the problem of data representation from the point of view of the data storage mechanism—that is, the relational database—we've thus far represented the in-memory object model as though it, too, were a relational database. Chapter 2 touches on the XML Infoset as a different abstraction for data, and you looked at the XML DOM, one of its in-memory data representations. The classes that are used in the relational model parallel those in a relational database; you have a DataSet consisting of DataTables, DataColumns, DataRows, and DataRelations. You even have a mechanism—DataView—to filter and sort Data-Tables in memory. The filtering mechanism uses a language similar to SQL.

In the DOM model, XmlDocument ...