ado连接sql server2005的问题

try

{

  m_pConnection.CreateInstance(__uuidof(Connection));

  m_pConnection->Open((_bstr_t)"Driver={SQL Server};Server=127.0.0.1;Database=library","","",adModeUnknown);

//或者写成

//m_pConnection->Open((_bstr_t)"Driver={SQL Server};Server=wulong\\SQLEXPRESS;Database=haitest","","",adModeUnknown);

 

  //m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Demo.mdb","","",adModeUnknown);

}

catch(_com_error e)

{

  AfxMessageBox(e.Description());

}
找了很多资料，都有异常，现在贴出来其中一个，，大家帮忙看看咋解决，或者给个例子

用这个软件试试