public void xoact(string id)
{
pcantruct ct = (from c in db.pcantructs select c).Single(x => x.id == id);
db.pcantructs.DeleteOnSubmit(ct);
db.SubmitChanges();
}
public void moict(string diengiai, string idcv, string idmuccp, double thanhtien, string idcantru, string id, double nguyente)/* string tk)*/
{
pcantruct ct = new pcantruct();
ct.diengiai = diengiai;
ct.idcv = idcv;
ct.idmuccp = idmuccp;
ct.thanhtien = thanhtien;
ct.idcantru = idcantru;
ct.id = id;
ct.nguyente = nguyente;
db.pcantructs.InsertOnSubmit(ct);
db.SubmitChanges();
}
