The ContactNull property specifies NULL value handling for catenation.
object.ContactNull [= value]
| Part | Description |
|---|---|
| object | Expression that evaluates to an object in the Applies To list |
| value | True or False |
If True, A + NULL, where A is a string, yields NULL.
If False, A + NULL, where A is a string, yields A.
Any value for ContactNull is overridden by the AnsiNulls property which controls NULL catenation behavior for a client session.
Boolean
Read/write
HRESULT GetContactNull(LPBOOL pRetVal);
HRESULT SetContactNull(BOOL NewValue);