public void SuaCTHD(int maHD, int maSP, int sl)
{
CHI_TIET_HOA_DON c = data.CHI_TIET_HOA_DONs.Where(t => t.MaHD == maHD && t.MaSP == maSP).FirstOrDefault();
c.SoLuong = sl;
data.SubmitChanges();
}
public void XoaCTHD(int maHD, int maSP)
{
CHI_TIET_HOA_DON c = data.CHI_TIET_HOA_DONs.Where(t => t.MaHD == maHD && t.MaSP == maSP).FirstOrDefault();
data.CHI_TIET_HOA_DONs.DeleteOnSubmit(c);
data.SubmitChanges();
}
public void ThemCTHD(int maHD, int maSP, int sl)
{
SanPhamBLL s = new SanPhamBLL();
CHI_TIET_HOA_DON c = new CHI_TIET_HOA_DON();
c.MaHD = maHD;
c.MaSP = maSP;
c.SoLuong = sl;
c.GiaBan = s.TimKiemSanPham(maSP).GiaBan;
c.GiaVon = s.TimKiemSanPham(maSP).GiaVon;
data.CHI_TIET_HOA_DONs.InsertOnSubmit(c);
data.SubmitChanges();
}
public bool KiemTraKhoaChinh(int maHD, int maSP)
{
CHI_TIET_HOA_DON c = data.CHI_TIET_HOA_DONs.Where(t => t.MaHD == maHD && t.MaSP == maSP).FirstOrDefault();
return(c != null);
}
