private void BtnNext_Click(object sender, RoutedEventArgs e)
{
// 将选择数量为0的，从数据中删除。倒叙保证下标位置。
// 如果选择的全是零，那么应该有提示
int count = productItems.Count();
foreach (ProductItem item in productItems)
{
if (item.Num == 0)
{
count--;
}
}
if (count == 0)
{
MessageBox.Show("请至少选择一种刀具，且数量不为零");
return;
}
ConfirmPage confirmPage = new ConfirmPage(productItems.AsList());
this.NavigationService.Navigate(confirmPage);
}
private void BtnNext_Click(object sender, RoutedEventArgs e)
{
ConfirmPage confirmPage = new ConfirmPage(productItems.AsList());
this.NavigationService.Navigate(confirmPage);
}