partial void DeleteDimension(Dimension instance);
 partial void UpdateDimension(Dimension instance);
		private void detach_Dimensions(Dimension entity)
		{
			this.SendPropertyChanging();
			entity.Dimension1 = null;
		}
 partial void InsertDimension(Dimension instance);
		private void attach_Dimensions(Dimension entity)
		{
			this.SendPropertyChanging();
			entity.Dimension1 = this;
		}