public void RemoveItems()
{
foreach (var item in CommercialItems.ToList())
{
CommercialItems.Remove(item);
}
}
public void RemoveItem(Guid itemId)
{
var item = CommercialItems
.Where(Item => Item.ItemGuid == itemId)
.FirstOrDefault();
if (item != null)
{
CommercialItems.Remove(item);
}
}