急急急！！又是一个ADO空错误？？？

Question

跟踪发现这儿捕捉到错误时弹出ADO空错误,大家帮我看看，哪有问题？？，急急
void ADOConn::OnInitADOConn()
{
::CoInitialize(NULL);//初始化OLE/COM环境
try
{
m_pConnection.CreateInstance("ADODB.Recordset");
_bstr_t strConnect="Provider=SQLOLEDB;Server=G-6AYF15GTOJWLR;Database=ourdb;uid=g;pwd=g;";
m_pConnection->Open(strConnect,"","",adModeUnknown);
}
catch(_com_error e)
{
AfxMessageBox(e.Description());
}
}

Answer 1

AfxMessageBox((char*)e.Description());

Answer 2

m_pConnection.CreateInstance("ADODB.Recordset");这句啊，老大。m_pConnection怎么搞了个ADODB.Recordset阿

Answer 3

m_pConnection.CreateInstance(__uuidof(Connection))

Answer 4

_ConnectionPtr pCon;
_RecordsetPtr pRs;pCon.CreateInstance(__uuidof(Connection));  //创建连接对象
pRs.CreateInstance(__uuidof(Recordset));    //创建记录集