The Microsoft Jet database engine could not find the object 'Sheet1$'

Hi,
I need help regarding importing of excel file (1997-2003) version into SQL Server DB.
Please see attached JPEG file: http://imageshack.us/photo/my-images/507/errorimporting.jpg/
Web.Config:
<add name="ExcelCon" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=Excel 8.0"/>

Thanks.

...