Constraint..::.ConstraintName Property
This page is specific to:.NET Framework Version:1.12.03.03.54.0
.NET Framework Class Library
Constraint..::.ConstraintName Property

The name of a constraint in the ConstraintCollection.

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

'Usage

Dim instance As Constraint
Dim value As String

value = instance.ConstraintName

instance.ConstraintName = value

'Declaration

Public Overridable Property ConstraintName As String

Property Value

Type: System..::.String
The name of the Constraint.
Exceptions

ExceptionCondition
ArgumentException

The Constraint name is a null value or empty string.

DuplicateNameException

The ConstraintCollection already contains a Constraint with the same name (The comparison is not case-sensitive.).

Remarks

The ConstraintCollection is returned by the Constraints property of the DataTable class.

Examples

The following example iterates through the ConstraintCollection of a DataTable and prints each ConstraintName.

Private Sub PrintConstraintNames(myTable As DataTable)
    Dim cs As Constraint
    For Each cs In  myTable.Constraints
        Console.WriteLine(cs.ConstraintName)
    Next cs
End Sub


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
See Also

Reference

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