◆ RemoveCore()

override void System.Data.DataRelationCollection.DataSetRelationCollection.RemoveCore ( DataRelation relation )

inlineprotectedvirtual

Reimplemented from System.Data.DataRelationCollection.

Definition at line 310 of file DataRelationCollection.cs.

        {
            base.RemoveCore(relation);
            _dataSet.OnRemoveRelationHack(relation);
            relation.SetDataSet(null);
            relation.ChildKey.GetSortIndex().RemoveRef();
            if (relation.Nested)
            {
                relation.ChildTable.CacheNestedParent();
            }
            for (int i = 0; i < _relations.Count; i++)
            {
                if (relation == _relations[i])
                {
                    _relations.RemoveAt(i);
                    ((DataTableRelationCollection)relation.ParentTable.ChildRelations).Remove(relation);
                    ((DataTableRelationCollection)relation.ChildTable.ParentRelations).Remove(relation);
                    if (relation.Nested)
                    {
                        relation.ChildTable.CacheNestedParent();
                    }
                    UnregisterName(relation.RelationName);
                    relation.SetParentKeyConstraint(null);
                    relation.SetChildKeyConstraint(null);
                    return;
                }
            }
            throw ExceptionBuilder.RelationDoesNotExist();
        }