private void add_Click(object sender, RoutedEventArgs e)
{
Product prd = datagridsp.SelectedItem as Product;
bool flag = false;
foreach (var item in listcthd)
{
if (item.IdProduct == prd.Id)
{
item.SoLuong++;
item.TinhTongGia();
flag = true;
break;
}
}
if (flag == false)
{
InvoiceDetail newCT = new InvoiceDetail()
{
IdProduct = prd.Id,
SoLuong = 1,
GiaBan = float.Parse(prd.Gia.ToString()),
};
newCT.TinhTongGia();
listcthd.Add(newCT);
}
double Tongtien = 0;
foreach (var CT in listcthd)
{
Tongtien = Tongtien + CT.TongTien.Value;
}
tbltongtienhoadon.Text = Tongtien.ToString();
datagridgihang.ItemsSource = listcthd.ToList();
}
private void tbSL_TextChanged(object sender, TextChangedEventArgs e)
{
InvoiceDetail detail = datagridgihang.SelectedItem as InvoiceDetail;
if (detail != null)
{
detail.TinhTongGia();
double Tongtien = 0;
foreach (var CT in view)
{
Tongtien = Tongtien + CT.TongTien.Value;
}
tbltongtienhoadon.Text = Tongtien.ToString();
}
}