vc连接oracle数据库的问题
问下,我在用ado编程时,
m_strConnection.Format("Provider=%s;Persist Security Info=False;Data Source=%s;User ID=%s;Password=%s",pRouteOut->Provider,pRouteOut->ServerName,pRouteOut->UserName,pRouteOut->PassWord);
LogConn->Open((LPCSTR)m_strConnection,"","",adConnectUnspecified);
try{ADOCmd->ActiveConnection = LogConn;
ADOCmd->CommandText = pSql;
ADOCmd->Execute(NULL, NULL, adCmdText);}
catch(...){...}
程序到ADOCmd->ActiveConnection = LogConn;这行时就执行不下去了!跳到错误处理中,错误处理报“请求的操作需要OLE DB会话对象,而当前提供的程序不支持此对象”这个错误,问下是什么原因引起的怎样解决?