Previously developed the webpage is developed with Access, I know that this thing is not good, but there is no way, now this technology, so I have always upgraded my own things, maybe this is not a problem for others, but for me For it, I have learned a lot of things, hey, let's write the following, so as not to forget it later!
'MS Access
StrConn = "provider = microsoft.jet.Oledb.4.0; data source =" & server.mappath (mdbpath)
'MS SQL
'strconn = "provider = sqloledb; user ID = user ID; password = user password; initial catalog = database; data source = machineinename