private void detach_Entertainments(Entertainment entity)
		{
			this.SendPropertyChanging();
			entity.Show = null;
		}
		private void attach_Entertainments(Entertainment entity)
		{
			this.SendPropertyChanging();
			entity.Show = this;
		}
 partial void UpdateEntertainment(Entertainment instance);
 partial void DeleteEntertainment(Entertainment instance);
 partial void InsertEntertainment(Entertainment instance);