Initializes a new instance of the UniqueConstraint with the specified DataColumn.
[Visual Basic] Overloads Public Sub New( _ ByVal column As DataColumn _ ) [C#] public UniqueConstraint( DataColumn column ); [C++] public: UniqueConstraint( DataColumn* column ); [JScript] public function UniqueConstraint( column : DataColumn );
The following example creates a new UniqueConstraint and assigns it to the ParentKeyConstraint property of a DataRelation.
[Visual Basic]
Private Sub CreateUniqueConstraint Dim cstrt As UniqueConstraint ' Get the DataColumn of a table in a DataSet. Dim dc As DataColumn Set dc = DataSet1.Tables("Suppliers").Columns("SupplierID") ' Create the constraint. Set cstrt = New UniqueConstraint(dc) ' Add the constraint to a DataRelation of the DataSet. DataSet1.Relations.Add cstrt End Sub
UniqueConstraint Class | UniqueConstraint Members | System.Data Namespace | UniqueConstraint Constructor Overload List