public void CalculateTotalTest()
{
_orderControl.AddOrder(order);
int total = _orderControl.CalculateTotal();
Assert.AreEqual(25, total);
_orderControl.UpdateOrder(4, "Cola");
total = _orderControl.CalculateTotal();
Assert.AreEqual(100, total);
}
// update data grid view
public void UpdateDataGridView()
{
_recordDataGridView.Rows.Clear();
foreach (Order item in _orderControl.GetOrderList())
{
_recordDataGridView.Rows.Add(item.GetMeal().Title, item.GetMeal().Category, item.GetMeal().Price, Convert.ToInt16(item.Quantity), item.Total, "x");
}
_totalLabel.Text = "Total : " + _orderControl.CalculateTotal().ToString() + " NTD.";
}
