public void SaveAttribute(EntityAttribute attribute, Relationship relationShip, bool isAdd) { attribute.EntityId = EntityId; attribute.LogicalName = attribute.Name; attribute.PhysicalName = attribute.TableColumnName; if (isAdd) { attribute.AttributeId = Guid.NewGuid(); } if (relationShip != null) { relationShip.RelationshipId = Guid.NewGuid(); relationShip.ReferencingEntityId = attribute.EntityId; relationShip.ReferencingAttributeId = attribute.AttributeId; } metadataServiceClient.SaveEntityAttribute(attribute, relationShip, isAdd); BindList(); }