"Databind to Office Apps With Web Services" by Vijay P. MehtaVisual Studio Magazine, Sept. 2005The ExpenseReport solution is a fully functional Visual Studio Tools for Office 2005 (beta 2) Excel application which demonstrates the use of databinding to web services, and some of the new feature in VSTO.   
Contents of VSTO_ExpenseReport.sql
1. DB Script used for creating required tables. Create a new SQL Server DB called VSTO_ExpenseReport and run script
Contents of ExpenseReport:1. ExpenseReport.xls - The Excel GUI2. ExpenseStart.cs - The code behind used to run the GUI

Contents of ExpenseReportWS:1. DataBroker.asmx & Service.cs - Web services used for accessing VSTO_ExpenseReport database.
Setup:1. Install (in order): .NET 2005 Beta 2, VSTO 2005 Beta 2, Office 2003 Professional
2. Misc Install: SQL Server 2k
3. Create VSTO_ExpenseReport DB, run sql script
4. Run solution