private void DetachChildren(CompositionScenarios_Child entity)
 {
     entity.Parent = null;
 }
 private bool FilterChildren(CompositionScenarios_Child entity)
 {
     return (entity.ParentID == this.ID);
 }
 private void AttachChildren(CompositionScenarios_Child entity)
 {
     entity.Parent = this;
 }