private void detach_PIIMappings(PIIMapping entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
		private void attach_PIIMappings(PIIMapping entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}
 partial void UpdatePIIMapping(PIIMapping instance);
 partial void DeletePIIMapping(PIIMapping instance);
 partial void InsertPIIMapping(PIIMapping instance);