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DataRelation.ParentColumns Property

Gets an array of DataColumn objects that are the parent columns of this DataRelation.

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

public virtual DataColumn[] ParentColumns { get; }

Property Value

Type: System.Data.DataColumn[]
An array of DataColumn objects that are the parent columns of this DataRelation.

The following example gets the array of DataColumn objects that function as parent columns for the relation.

Private Sub GetChildCols()
    ' Get the DataRelation of a DataSet. 
    Dim relation As DataRelation = _
        DataSet1.Relations("CustomerOrders")

    ' Get the parent columns. 
    Dim parentColumns() As DataColumn = relation.ParentColumns

    ' Print the ColumnName of each column. 
    Dim i As Integer 
    For i = 0 to parentColumns.GetUpperBound(0)
       Console.Writeline(parentColumns(i).ColumnName.ToString())
    Next i
End Sub

.NET Framework

Supported in: 4.6, 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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