private void btnx_Click(object sender, EventArgs e)
{
totalprice = 0;
try
{
int i = listBox1.SelectedIndex;
listBox1.Items.RemoveAt(i);
order.RemoveOrderLine(i);
foreach (OrderLine orderline in order.getAllOrderLines())
{
totalprice += orderline.OrderLineTotal();
}
lbTotal.Text = "Total : €" + totalprice.ToString();
}
catch (Exception)
{
MessageBox.Show("Please select which orderline to remove.");
}
}