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This article presents an advanced technique that lets you bind multiple editable line items to a collection using Windows Presentation Foundation and the Presentation Model pattern. It assumes you are familiar with basic WPF data binding techniques as well as design patterns that object-oriented UI libraries typically use. After an introduction to the sample application used throughout this article, you'll see how applying the Presentation Model pattern insulates this application's UI and business logic layers from one another. Finally, you'll see the WPF-specific details involved in binding a Presentation Model to XAML controls to create a dynamic UI with multiple editable line items.

Learn how to read and write Open XML files in the new Microsoft Office 2007, with a particular examination of the Excel file format.

In SQL Server 2005, XML becomes a first-class data type. Developers can make minor remote modifications to stored XML documents easily, taking advantage of new support for XML schema-based strong typing, and server-based XML data validation.

As database developers, many of us have had to dip our feet into the wide ocean of XML.It should come as good news that in SQL Server 2005, you can store XML in the database with a new XML datatype. Although this is good news, many developers have been storing XML in the database for some time now. Without implicit support for XML, developers have been shoving XML documents into text fields since XML's inception.

Just as XML itself has evolved, so the XML related classes in .NET Framework 2.0 have changed. Alex Homer finds out what's different.