Gets the parent columns of this relation.
[Visual Basic] Overridable Public ReadOnly Property ParentColumns As DataColumn () [C#] public DataColumn[] ParentColumns {virtual get;} [C++] public: __property virtual DataColumn* get_ParentColumns(); [JScript] public function get ParentColumns() : DataColumn[];
An array of DataColumn objects.
The following example gets the array of DataColumn objects that function as parent columns for the relation.
[Visual Basic]
Private Sub GetChildCols() Dim ParentArr() As DataColumn ' Get the DataRelation of a DataSet. Dim dr As DataRelation dr = DataSet1.Relations("CustomerOrders") ' Get the child columns. ParentArr= dr.ParentColumns ' Print the ColumnName of each column. Dim i As Integer For i = 0 to Ubound(ParentArr) Debug.Print ParentArr(i).ColumnName Next i End Sub
DataRelation Class | DataRelation Members | System.Data Namespace | DataColumn | ChildColumns