编译通过,运行时弹出如下对话框:内存位置0x0012f288处的_com_error程序代码如下:(SQL数据库在VB6.0下是连接成功的)void CAdoDlg::OnBnClickedBtnQuery(){     CoInitialize(NULL);       _ConnectionPtr pConn(__uuidof(Connection));      _RecordsetPtr pRst(__uuidof(Recordset));          pConn->ConnectionString ="Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=mysql_1;Data Source=YINGZI-COMPUTER\SQLEXPRESS";     pConn->Open("","","",adConnectUnspecified);          pRst=pConn->Execute("select * from 通讯录",NULL,adCmdText);     while(!pRst->rsEOF)     {         ((CListBox*)GetDlgItem(IDC_LIST1))->AddString((_bstr_t)pRst->GetCollect("姓名"));         pRst->MoveNext();     }     pRst->Close();     pConn->Close();     pRst->Release();     pConn->Release();     CoUninitialize();   }