Question : What happens if I you close a connection without commiting an open transaction?

I've never had problems with this myself, I think my VBA code is written to properly close a transaction in the event of an error, but I'm curious...

If I close a connection that has an open transaction, is the transaction and it's associated locks released as well? In particular I'm thinking of what would happen with the following...
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Public Sub TesterSub

Dim cn as ADODB.Connection
Set cn = new ADODB.Connection
cn.open connectionstring

cn.begintrans

     cn.execute("UPDATE tblUsers SET UserName = 'John' WHERE ID = 1")

cn.close
set cn = nothing

End Sub
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Answer : What happens if I you close a connection without commiting an open transaction?

>If I close a connection that has an open transaction, is the transaction and it's associated locks released as well?
yes. rollback + locks are released
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