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'---- ConnectModeEnum Values ----
Const adModeUnknown = 0
Const adModeRead = 1
Const adModeWrite = 2
Const adModeReadWrite = 3
Const adModeShareDenyRead = 4
Const adModeShareDenyWrite = 8
Const adModeShareExclusive = &Hc
Const adModeShareDenyNone = &H10
Open [Source],[ActiveConnection],[CursorType],[LockType],[Options]
'---- CursorTypeEnum Values ----
Const adOpenForwardOnly = 0
Const adOpenKeyset = 1
Const adOpenDynamic = 2
Const adOpenStatic = 3
'---- LockTypeEnum Values ----
Const adLockReadOnly = 1
Const adLockPessimistic = 2
Const adLockOptimistic = 3
Const adLockBatchOptimistic = 4
Options:
adCmdText 以一个命令的文本定义形式来执行Source,比如一个SQL语句。
adCmdTable 把Source当成一个表的名称。
adCmdStoreProc 把Source当成一个存储过程。
adCmdUnknown 未知的命令(缺省值)。