CDaoRecordset::SetFieldValueNull

void SetFieldValueNull( short nIndex**);
throw( CDaoException, CMemoryException );**

void SetFieldValueNull( LPCTSTRlpszName );
throw( CDaoException, CMemoryException );

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

Call this member function to set the field to a Null value. C++ NULL is not the same as Null, which, in database terminology, means “having no value.”

For more information about record field exchange, see the articles and in Visual C++ Programmer's Guide. For related information, see the topics "Field Object" and "Value Property" in DAO Help.

CDaoRecordset Overview |  Class Members |  Hierarchy Chart

See Also   CDaoRecordset::SetFieldValue