public bool XoaChiTietThietBi(string matb, string mathietbi)
{
CHITIETTRANGBI ct = (from cttb in db.CHITIETTRANGBIs
where (cttb.MATB == matb && cttb.MATHIETBI == mathietbi)
select cttb).First();
db.CHITIETTRANGBIs.DeleteOnSubmit(ct);
db.SubmitChanges();
return(true);
}
public bool themChiTietThietBi(string matb, string mathietbi, int soluongtb)
{
CHITIETTRANGBI cttb = new CHITIETTRANGBI();
cttb.MATB = matb;
cttb.MATHIETBI = mathietbi;
cttb.SOLUONGTRANGBI = soluongtb;
db.CHITIETTRANGBIs.InsertOnSubmit(cttb);
db.SubmitChanges();
return(true);
}
public bool updatethemTrangBiThietBi(string matb, string mathietbi, int soluongtb)
{
CHITIETTRANGBI ct = (from cttb in db.CHITIETTRANGBIs
where (cttb.MATB == matb && cttb.MATHIETBI == mathietbi)
select cttb).First();
ct.MATB = matb;
ct.MATHIETBI = mathietbi;
ct.SOLUONGTRANGBI += soluongtb;
db.SubmitChanges();
return(true);
}
