partial void DeleteBudgetItem(BudgetItem instance);
partial void UpdateBudgetItem(BudgetItem instance);
private void detach_BudgetItems(BudgetItem entity)
{
this.SendPropertyChanging();
entity.TimePeriod = null;
}
partial void InsertBudgetItem(BudgetItem instance);
private void attach_BudgetItems(BudgetItem entity)
{
this.SendPropertyChanging();
entity.Tag = this;
}