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ContactNull Property

This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.

The ContactNull property specifies NULL-value handling for catenation.

Syntax

object.ContactNull [=value]

Parts

  • object
    An expression that evaluates to an object in the Applies To list

  • value
    TRUE or FALSE

Data Type

Boolean

Modifiable

Read/write

Prototype (C/C++)

HRESULT GetContactNull(LPBOOL pRetVal);
HRESULT SetContactNull(BOOL NewValue);

Remarks

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.

Applies To:

DBOption Object