private void detach_Matten(Matten entity)
		{
			this.SendPropertyChanging();
			entity.Prüfer = null;
		}
		private void attach_Matten(Matten entity)
		{
			this.SendPropertyChanging();
			entity.Prüfer = this;
		}
 partial void DeleteMatten(Matten instance);
 partial void UpdateMatten(Matten instance);
 partial void InsertMatten(Matten instance);
		private void detach_Matten(Matten entity)
		{
			this.SendPropertyChanging();
			entity.Schweissmaschine = null;
		}