Gets the child columns of this constraint.
[Visual Basic] Overridable Public ReadOnly Property Columns As DataColumn () [C#] public DataColumn[] Columns {virtual get;} [C++] public: __property virtual DataColumn* get_Columns(); [JScript] public function get Columns() : DataColumn[];
An array of DataColumn objects that are the child columns of the constraint.
The following example returns an array of DataColumn objects through the Columns property.
[Visual Basic]
Private GetColumns() Dim cols() As DataColumn Dim dr As DataRelation Dim i As Integer ' Get the DataRelation from a DataSet. For Each dr In DataSet1.Relations If dr.GetType.ToString = "System.Data.ForeignKeyConstraint" Then cols = dr.RelatedColumns For i = 0 To Ubound(cols) Debug.Print cols(i).ColumnName Next i End If Next End Sub
ForeignKeyConstraint Class | ForeignKeyConstraint Members | System.Data Namespace | Table | DataTable | RelatedTable | RelatedColumns