Use a VBA macro to do the updating.
Macros demystified: What they are and why to use them - Help and How ...
http://office.microsoft.com/en-us/help/HA100072101033.aspx
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Word 2003 uses a Web service to query the database for data to populate worksheets.
This Web service includes four public functions:
Verify. Used by Word to verify whether the Web service is functioning correctly.
A function that extracts all fields from the database.
A function that extracts data based upon a WHERE clause.
Other extraction functions.
For information and examples as how to perform the Web data extraction:
http://msdn2.microsoft.com/en-us/library/aa701256(office.11).aspx#Office2003Integratingwithaspnet20_CreatingaWebServicetoExtractSalesData
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An Overview of Key New Visual Studio 2005 Features
... much like you would lay out Web Form controls in an HTML table ... open in the visual designer, with merged Excel menus. Data ... This makes it very easy to integrate data from a Web service ...
http://msdn2.microsoft.com/en-us/library/ms364072(VS.80).aspx
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SQL Server solution:
Data Integration Solutions for Master Data Management
... data from Microsoft Excel, and third party demographic data via Web ... of cleansed, standardized data such as a reference table ... are embedded in a text data source. For example, you could extract ...
http://msdn2.microsoft.com/en-us/library/Aa964123.aspx
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