OnNull
This callback method is triggered if a NULL value was found at the position of the SAX reader. The SAX parsing procedure is aborted by setting the return value HRESULT to S_FALSE.
Syntax
METHOD OnNull : HRESULTThis callback method is triggered if a NULL value was found at the position of the SAX reader. The SAX parsing procedure is aborted by setting the return value HRESULT to S_FALSE.
METHOD OnNull : HRESULT