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DataRelation.RelationName Property

Gets or sets the name used to retrieve a DataRelation from the DataRelationCollection.

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

abstract RelationName : string with get, set 
override RelationName : string with get, set

Property Value

Type: System.String
The name of the a DataRelation.


a null reference (Nothing in Visual Basic) or empty string ("") was passed into a DataColumn that is a DataRelation.


The DataRelation belongs to a collection that already contains a DataRelation with the same name.

Use the RelationName property to retrieve a DataRelation from the DataRelationCollection.

The following example uses the RelationName property to retrieve a DataRelation from a DataRelationCollection.

Private Sub GetRelation()
    ' Get the collection of a DataSet. 
    Dim collection As DataRelationCollection = _

    ' Add a relation named CustomerOrders. 
    Dim myRel As DataRelation = _

    ' Print the RelationName.
End Sub

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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