Creates a relation given the parameters and adds it to the collection. An ArgumentNullException is thrown if this relation is null. An ArgumentException is thrown if this relation already belongs to this collection, belongs to another collection, or if this collection already has a relation with the same name (case insensitive). An InvalidRelationException 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 name As String, _ ByVal parentColumns() As DataColumn, _ ByVal childColumns() As DataColumn, _ ByVal createConstraints As Boolean _ ) As DataRelation [C#] public virtual DataRelation Add( string name, DataColumn[] parentColumns, DataColumn[] childColumns, bool createConstraints ); [C++] public: virtual DataRelation* Add( String* name, DataColumn* parentColumns[], DataColumn* childColumns[], bool createConstraints ); [JScript] public function Add( name : String, parentColumns : DataColumn[], childColumns : DataColumn[], createConstraints : Boolean ) : DataRelation;
The created relation.
RelationsCollection Class | RelationsCollection Members | System.Data Namespace | RelationsCollection.Add Overload List