Örnek kod da aşağıdaki gibidir efendim.
Function ExcelConnAccess(SicilNo As Long) As String
Set Db = DAO.DBEngine(0).OpenDatabase("D:\DOSYALAR\AccessDB\Parametre.accdb")
Set rs = Db.OpenRecordset("SELECT OrnekAlan FROM OrnekTablo WHERE Sicil=" & SicilNo & ";")
ExcelConnAccess = rs("OrnekAlan")
rs.Close
Db.Close
End Function