INullable Interface (System.Data.SqlTypes)

INullable Interface

.NET Framework Class Library

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)

Syntax

Visual Basic (Declaration)

Public Interface INullable

Visual Basic (Usage)

Dim instance As INullable

public interface INullable

Visual C++

public interface class INullable

JScript

public interface INullable

Remarks

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.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

Version Information

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

Reference

INullable Members

System.Data.SqlTypes Namespace

Other Resources

Handling Null Values (ADO.NET)

SQL Server Data Types and ADO.NET