One of the hurdles in BDC development is creating XML Metadata Definition file. Microsoft has not yet provided any tool to create XML Definition file – But lot of third party products (like MetaMan, MOSS BDC Design Studio) available to create XML Definition file for BDC applications. But it can’t satisfy our BDC thrist! – If you folks would like to create it by yourself using any XML tools, then obvisouly you need to go for XML Notepad 2007. It is really wonderful tool to create/customize XML files. Which provides a simple intuitive User Interface for browsing and editing XML documents, one of the biggest new feature is IntelliSense, which is driven by XML Schema information provided via the SchemaCache. For example, if your element or attribute is defined by an XSD simpleType and this simpleType contains a list of enumeration facets, then you can select it from a drop-down.

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Excellent design from Microsoft Team(Chris) - See XML Notepad 2007 Design for information about how this application is built. The downloadable installer for version 2.3 is available.