public Boolean update_tonkho()
{
//get orginal
NhapHangController Or_ctr = new NhapHangController();
NhapHang Or_nh = Or_ctr.get_by_id(this.id);
List<ChiTiet_NhapHang> Or_list;
if (Or_nh != null) Or_list = Or_nh.ds_chitiet_nhaphang;
else Or_list = new List<ChiTiet_NhapHang>();
//get current
List<ChiTiet_NhapHang> Cur_list = this.ds_chitiet_nhaphang;
//get Added CTNH Items
List<ChiTiet_NhapHang> Added_list = Cur_list.Where(cur => Or_list.Where(or => or.sanpham_chitiet.id == cur.sanpham_chitiet.id).FirstOrDefault() == null).ToList();
//do action
try
{
foreach (ChiTiet_NhapHang ctnh in Added_list)
{
ctnh.sanpham_chitiet.update_tonkho(ctnh.sanpham_chitiet.tonkho + ctnh.soluong, this.ngay);
}
}
catch (Exception)
{ return false; }
return true;
}
