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UniqueConstraint Constructor (String, DataColumn[], Boolean)

Initializes a new instance of the UniqueConstraint class with the specified name, an array of DataColumn objects to constrain, and a value specifying whether the constraint is a primary key.

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

new : 
        name:string * 
        columns:DataColumn[] * 
        isPrimaryKey:bool -> UniqueConstraint

Parameters

name
Type: System.String

The name of the constraint.

columns
Type: System.Data.DataColumn[]

An array of DataColumn objects to constrain.

isPrimaryKey
Type: System.Boolean

true to indicate that the constraint is a primary key; otherwise, false.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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