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INullable Interface

All the System.Data.SqlTypes objects and structures implement the INullable interface.

Namespace: System.Data.SqlTypes
Assembly: System.Data (in system.data.dll)

public interface INullable
public interface INullable
public interface INullable

SqlTypes can contain the value null and use database semantics for evaluating nulls. Nulls are used in a database to indicate an unknown or missing value.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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