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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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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