Поделиться через

CDaoRecordset::SetParamValueNull

  • Статья

Call this member function to set the parameter to a Null value.

void SetParamValueNull(
   int nIndex 
);
void SetParamValueNull(
   LPCTSTR lpszName 
);

Параметры

  • nIndex
    The index of the field in the recordset, for lookup by zero-based index.

  • lpszName
    The name of the field in the recordset, for lookup by name.

Заметки

C++ NULL is not the same as Null, which, in database terminology, means "having no value."

Требования

Header: afxdao.h

См. также

Основные понятия

CDaoRecordset Class

CDaoRecordset Members

Hierarchy Chart