CDaoRecordset::SetFieldValueNull

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

void SetFieldValueNull(
   int nIndex 
);
void SetFieldValueNull(
   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."

For related information, see the topics "Field Object" and "Value Property" in DAO Help.

Requirements

Header: afxdao.h

See Also

Reference

CDaoRecordset Class

Hierarchy Chart

CDaoRecordset::SetFieldValue

Other Resources

CDaoRecordset Members