partial void DeleteMaterial(Material instance);
		private void detach_Material(Material entity)
		{
			this.SendPropertyChanging();
			entity.Glühung = null;
		}
		private void attach_Material(Material entity)
		{
			this.SendPropertyChanging();
			entity.Glühung = this;
		}
 partial void UpdateMaterial(Material instance);
 partial void InsertMaterial(Material instance);