partial void DeleteBudgetVersion(BudgetVersion instance);
 partial void UpdateBudgetVersion(BudgetVersion instance);
		private void detach_BudgetVersions(BudgetVersion entity)
		{
			this.SendPropertyChanging();
			entity.Budget = null;
		}
 partial void InsertBudgetVersion(BudgetVersion instance);
		private void attach_BudgetVersions(BudgetVersion entity)
		{
			this.SendPropertyChanging();
			entity.Budget = this;
		}