public virtual void AddItem(InvoiceItem itemToAdd) { _items.Add(itemToAdd); }
public virtual void AddItem(InvoiceItem itemToAdd) { _items.Add(itemToAdd); }
public virtual void AddItem(InvoiceItem itemToAdd) { _items.Add(itemToAdd); }
public virtual void AddItem(InvoiceItem itemToAdd) { _items.Add(itemToAdd); }