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UniqueConstraint Constructor (DataColumn[])

Initializes a new instance of the UniqueConstraint class with the given array of DataColumn objects.

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

public UniqueConstraint (
	DataColumn[] columns
public UniqueConstraint (
	DataColumn[] columns
public function UniqueConstraint (
	columns : DataColumn[]



The array of DataColumn objects to constrain.

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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