partial void DeletecontactPersonProject(contactPersonProject instance);
 partial void UpdatecontactPersonProject(contactPersonProject instance);
		private void detach_contactPersonProjects(contactPersonProject entity)
		{
			this.SendPropertyChanging();
			entity.contactPerson = null;
		}
 partial void InsertcontactPersonProject(contactPersonProject instance);
		private void attach_contactPersonProjects(contactPersonProject entity)
		{
			this.SendPropertyChanging();
			entity.project = this;
		}