MS Press - 7 Development Projects for Microsoft Office Sharepoint Server 2007 and Windows Sharepoint Services Version 3.0_173.pdf
Chapter 8 Introducing Excel Services In this chapter: Key Scenarios for Excel Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Excel Services Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Controlling Visible Information and Interacting with Workbooks . . . . . . . . . . . 149 Building Applications with Excel Web Services . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Controlling and Protecting Workbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Data Connection Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Unsupported Features in Excel Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Excel Services and Reporting in a Portal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Coding with Excel Web Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Excel Services User-Defined Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Microsoft Office SharePoint Server 2007 Excel Services, new server technology that ships with the 2007 Microsoft Office system, supports loading, calculating, and rendering Excel work- books on servers. Excel Services has two primary interfaces: a Web-based user interface that enables users to view workbooks in a browser, and a Web services interface for programmatic access to the data and logic in workbooks. Excel Services, which requires Microsoft Office SharePoint Server 2007, provides the following capabilities: ■ Allows browser-based access to workbooks ■ Incorporates workbooks in portals and on dashboards ■ Controls access to workbooks for either regulatory and audit concerns or to protect intellectual property in the workbooks ■ Eliminates “multiple versions of the truth”; in other words, Exce
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