SAMPLE: ExcelADO Demonstrates How to Use ADO to Read and Write Data in Excel Workbooks
http://support.microsoft.com/support/kb/articles/Q278/9/73.ASP
http://download.microsoft.com/download/excel2000/Sample/12_27_2000/W98NT42KMe/EN-US/Excelado.exe
注意这个 SQL:
Select * from [Sheet1$A1:B10]
HOWTO: Use ADO with Excel Data from Visual Basic or VBA
http://support.microsoft.com/support/kb/articles/Q257/8/19.ASP