/// <summary> /// GetGVGoiHang /// </summary> /// <param name="maHd"> </param> /// <param name="maGoi"></param> /// <param name="gh"></param> /// <returns></returns> public GiaVonBanHang GetGvGoiHang(string maHd, string maGoi, GoiHang[] gh) { GiaVonBanHang retVal = null; try { foreach (GoiHang item in gh.Where(item => item.MaGoiHang.Trim().ToUpper().Equals(maGoi.Trim().ToUpper()))) { retVal = new GiaVonBanHang { HanhDong = "Insert", MaHangHoa = maGoi.Trim().ToUpper(), MaHoaDon = maHd.Trim().ToUpper(), GiaVon = double.Parse(item.GiaNhap) }; break; } } catch { retVal = null; } return retVal; }