public ActionResult xoaGoiY(int c1, int c2)
{
int id = db.GoiYs.Where(x => x.C1 == c1 && x.C2 == c2).Select(x => x.id).First();
GoiY g = db.GoiYs.Find(id);
db.GoiYs.Remove(g);
db.SaveChanges();
return(RedirectToAction("CaTheLienQuan", new { MaCaThe = c1 }));
}
public ActionResult themGoiY(int C1, int C2)
{
GoiY g = new GoiY();
g.C1 = C1;
g.C2 = C2;
db.GoiYs.Add(g);
db.SaveChanges();
return(RedirectToAction("CaTheLienQuan", new { MaCaThe = C1 }));
}