public icecream Save(icecream icecream)
        {
            if (icecream.FlavourID == 0)
            {
                db.icecreams.Add(icecream);
            }
            else
            {
                db.Entry(icecream).State = System.Data.Entity.EntityState.Modified;
            }

            db.SaveChanges();
            return(icecream);
        }
 public void Delete(icecream icecream)
 {
     db.icecreams.Remove(icecream);
     db.SaveChanges();
 }