DataRelation.ParentColumns Property

Definition

Namespace:

System.Data

Assembly:

System.Data.Common.dll

Source:

DataRelation.cs

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

public:
 virtual property cli::array <System::Data::DataColumn ^> ^ ParentColumns { cli::array <System::Data::DataColumn ^> ^ get(); };

public virtual System.Data.DataColumn[] ParentColumns { get; }

member this.ParentColumns : System.Data.DataColumn[]

Public Overridable ReadOnly Property ParentColumns As DataColumn()

Property Value

DataColumn[]

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

Examples

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

See also

• DataColumn
• ChildColumns