public void xoact(string id)
{
pchict ct = (from c in db.pchicts select c).Single(x => x.id == id);
db.pchicts.DeleteOnSubmit(ct);
db.pchicts.Context.SubmitChanges();
}
public void moict(string diengiai, string idcv, string idmuccp, double thanhtien, string idchi, string id, string tiente, double tygia, double nguyente)
{
pchict ct = new pchict();
ct.diengiai = diengiai;
ct.idcv = idcv;
ct.idmuccp = idmuccp;
ct.sotien = thanhtien;
ct.idchi = idchi;
ct.id = id;
ct.tiente = tiente;
ct.tygia = tygia;
ct.nguyente = nguyente;
db.pchicts.InsertOnSubmit(ct);
db.pchicts.Context.SubmitChanges();
}
