public void LoadFromFile(StreamReader file)
{
while (!file.EndOfStream)
{
Order orderTmp = Order.ReadOrderFromFile(file);
int i = 0;
for (; i < Orders.Count; i++)
{
if (Orders[i].CheckId(orderTmp.OrderId))
{
break;
}
}
if (i == Orders.Count)
{
SingleInstance.AddOrder(orderTmp);
}
}
}