打开记录集出错

Ado 问题~pRs->Open(vt,(IDispatch*)m_pConn, adOpenForwardOnly, adLockReadOnly,adCmdText); 
                                   打开仅向前类型游标，只读pRs->Open(vt,(IDispatch*)m_pConn, adOpenStatic, adLockOptimistic, adCmdText); 
                                 打开静态类型游标，开放式锁定可能与 Oracle 有关...