CDaoRecordset::SetParamValueNull

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

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

Parameters

  • 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.

Remarks

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

Requirements

Header: afxdao.h

See Also

Concepts

CDaoRecordset Class

CDaoRecordset Members

Hierarchy Chart