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INullable Interface

.NET Framework 4

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

Namespace:  System.Data.SqlTypes
Assembly:  System.Data (in System.Data.dll)
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public interface INullable

The INullable type exposes the following members.

  Name Description
Public property Supported by the XNA Framework IsNull Indicates whether a structure is null. This property is read-only.
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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.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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