正如以下msdn论坛所述,Microsoft.Jet.OLEDB.4.0只有32bit,所以我们必须compile application to x86 platform。
http://social.msdn.microsoft.com/Forums/en-US/45aa44dd-0e6f-42e5-a9d6-9be5c5c8fcd1/the-microsoftjetoledb40-provider-is-not-registered-on-the-local-machine?forum=adodotnetdataproviders