public void xoact(string id)
{
hoadonct ct = (from c in db.hoadoncts select c).Single(x => x.id == id);
db.hoadoncts.DeleteOnSubmit(ct);
db.SubmitChanges();
}
public void suahdct(string idhoadon, string idsp, string diengiai, double sl, double dongia, string idcv, string loaithue, double thue, double chietkhau, double thanhtien, string id, string tiente, double tygia, double nguyente)
{
hoadonct ct = (from c in db.hoadoncts select c).Single(x => x.id == id);
ct.idhoadon = idhoadon;
ct.idsanpham = idsp;
ct.diengiai = diengiai;
ct.soluong = sl;
ct.dongia = dongia;
ct.idcv = idcv;
ct.loaithue = loaithue;
ct.thue = thue;
ct.chietkhau = chietkhau;
ct.thanhtien = thanhtien;
ct.tiente = tiente;
ct.tygia = tygia;
ct.nguyente = nguyente;
db.SubmitChanges();
}
public void moihdct(string idhhoadon, string idsanpham, string diengiai, double soluong, double dongia, string idcv, string loaithue, double thue, double chietkhau, double thanhtien, string id, string tiente, double tygia, double nguyente)
{
hoadonct hdct = new hoadonct();
hdct.idhoadon = idhhoadon;
hdct.idsanpham = idsanpham;
hdct.diengiai = diengiai;
hdct.soluong = soluong;
hdct.dongia = dongia;
hdct.idcv = idcv;
hdct.loaithue = loaithue;
hdct.thue = thue;
hdct.chietkhau = chietkhau;
hdct.thanhtien = thanhtien;
hdct.id = id;
hdct.tiente = tiente;
hdct.tygia = tygia;
hdct.nguyente = nguyente;
db.hoadoncts.InsertOnSubmit(hdct);
db.SubmitChanges();
}
