ADO判斷ACCESS字段值是否為NULL

   直接上示例代碼咯

vName = pRecordset->GetCollect("Name");
CString name = _T("");
if(vName.vt != VT_NULL)
{
    name = (TCHAR*)(_bstr_t)(vName);
}
else
{
    name = _T("");
}

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本文出自 “walker” 博客，請務必保留此出處http://walkerqt.blog.51cto.com/1310630/1265717