Visual Web Developer provides built-in support for editing XML files. Opening an XML file shows full syntax highlighting for elements and properties. If your XML files have a pre-defined schema, Visual Web Developer can even utilize that schema and provide full IntelliSense for XML files.

The XML editor will also add any errors or warnings resulting from invalid XML to the Error List window. This makes it easy to quickly fix any potential errors.

XML Style Language Transformation (XSLT) is a powerful way to transform XML data, but it can be a difficult language to master. Visual Web Developer makes it easier to write your XSL transformations by providing syntax colorization and IntelliSense for your XSLT files.

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Visual Web Developer includes an XmlDataSource control that makes it easy to combine an XML file and a corresponding XSLT file and bind the result to a data-enabled control like the GridView.

RSS (Really Simple Syndication) is an increasingly popular mechanism for syndicating content in an XML format. Using Visual Web Developer, you can both publish and subscribe to your own RSS feeds. This Coding4Fun article explains the basics of how to consume an RSS feed using Visual Web Developer to help you get started.

Visual Web Developer simplifies the creation of cross-platform XML Web services and removes the need for you to manually write any XML or SOAP plumbing code. By default, Web services created using Visual Web Developer are conformant to the WS-I Basic Profile for cross-platform compatibility. This Coding4Fun article shows you how to create a Family History Web service using Visual Web Developer to help you get started.

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Visual Web Developer makes it easy to integrate Web services, such as product information from Amazon.com or eBay.com, right into your applications. Using the built-in Add Web Reference dialog box, Visual Web Developer automatically creates a simple proxy object to send and receive information to the Web service for you.