public void XoaNhomHangHoa(string ma)
{
THE_LOAI_SAN_PHAM tl = data.THE_LOAI_SAN_PHAMs.Where(t => t.MaLoaiSP == ma).FirstOrDefault();
data.THE_LOAI_SAN_PHAMs.DeleteOnSubmit(tl);
data.SubmitChanges();
}
public void SuaNhomHangHoa(string ma, string ten)
{
THE_LOAI_SAN_PHAM th = data.THE_LOAI_SAN_PHAMs.Where(t => t.MaLoaiSP == ma).FirstOrDefault();
th.TenLoaiSP = ten;
data.SubmitChanges();
}
public void ThemNhomHangHoa(string ma, string ten)
{
THE_LOAI_SAN_PHAM t = new THE_LOAI_SAN_PHAM();
t.MaLoaiSP = ma;
t.TenLoaiSP = ten;
data.THE_LOAI_SAN_PHAMs.InsertOnSubmit(t);
data.SubmitChanges();
}
public bool KiemTraKhoaChinh(string ma)
{
THE_LOAI_SAN_PHAM tl = data.THE_LOAI_SAN_PHAMs.Where(t => t.MaLoaiSP == ma).FirstOrDefault();
return(tl != null);
}
