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Data-Enabling Web Pages

The Internet has made the most profound change in the direction of the computer software industry since the introduction of Windows 3.0. Virtually every software product published since early 1996 has some connection with the Internet, even if tenuous, and this trend shows no indication of slackening. All members of Microsoft Office 2000 are "Internet enabled" to a greater extent than their predecessors. Word 2000 lets you convert conventional .doc files to conventional htm Web pages. PowerPoint 2000 encourages you to create presentations for broadcasting via the World Wide Web. Excel 2000 lets you export worksheets to HTML tables. FrontPage 2000 lets you generate and deploy dynamic, data-driven Web pages connected to Jet or SQL Server databases. Each Office 2000 Internet enhancement relies on hyperlinks, which lead from one document to another related document, and Hypertext Markup Language (HTML), a variant of the Standard Generalized Markup Language (SGML) designed for text document formatting. Word, Excel, and PowerPoint use Extensible Markup Language (XML), an extension to HTML that preserves formatting and other application-specific data, as an optional native file format.

Note

The XML Document Type Definition (DTD) for Office 2000 documents is exceedingly complex. To gain insight into how Microsoft uses XML to preserve document formatting, save a Word 2000 document to XML by choosing File, Save as Web Page and then open the htm file in WordPad. Depending on your document content and formatting, the .htm version of your .doc file is 50% to 100% larger than the conventional .doc version because of XML overhead. Access 2000 uses XML to store Data Access Pages (DAP) and ActiveX Data Objects (ADO) Recordsets. XML is destined to play an important role in Web-based database content presentation because of its capability to separate data manipulation from HTML page-formatting functions.

For more information on the potential of DAP, see Generating a Grouped Page.



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