public virtual void AddItem(PurchaseOrderItem item)
{
item.Order = this;
items.Insert(0, item);
if (ItemsChanged != null)
{
ItemsChanged(this, null);
}
}
public virtual void RemoveItem(PurchaseOrderItem item)
{
if (items.Contains(item))
{
items.Remove(item);
if (ItemsChanged != null)
{
ItemsChanged(this, null);
}
}
}