Creates a relation given the parameters and adds it to the collection. The name is defaulted. An ArgumentException is thrown if this relation already belongs to this collection or belongs to another collection. An InvalidConstraintException is thrown if the relation can't be created based on the parameters. The CollectionChanged event is fired if it succeeds.
[Visual Basic] Overloads Overridable Public Function Add( _ ByVal parentColumn As DataColumn, _ ByVal childColumn As DataColumn _ ) As DataRelation [C#] public virtual DataRelation Add( DataColumn parentColumn, DataColumn childColumn ); [C++] public: virtual DataRelation* Add( DataColumn* parentColumn, DataColumn* childColumn ); [JScript] public function Add( parentColumn : DataColumn, childColumn : DataColumn ) : DataRelation;
The created relation.
RelationsCollection Class | RelationsCollection Members | System.Data Namespace | RelationsCollection.Add Overload List