private void btnThemHoaDon_Click(object sender, EventArgs e)
{
int idNPP = listNPP.Where(x => x.Key == cbNPP.Text).SingleOrDefault().Value;
HoaDonXuat hoaDonXuat = new HoaDonXuat(txtMaHoaDonXuat.Text, DateTime.Now.ToString(), txtMaNhanVien
.Text, "ghi", idNPP.ToString());
hoaDonXuat.SaveToDatabase();
foreach (ListViewItem item in lsvChiTiet.Items)
{
ChiTietHoaDonXuat chiTietHoaDonXuat = new ChiTietHoaDonXuat(txtMaHoaDonXuat.Text, item.SubItems[0].Text, item.SubItems[3].Text, txtMaLo.Text, item.SubItems[2].Text);
chiTietHoaDonXuat.SaveToDatabase();
HangHoa.UpdateAmount(Convert.ToInt32(item.SubItems[0].Text), Convert.ToInt32(item.SubItems[2].Text) * -1);
}
this.Close();
mainForm.LoadToDataGridView();
}
