public Order AddOrders(Order o)
 {
     using (var ctx = new TestDatabaseEntities())
     {
         ctx.Orders.Add(o);
         ctx.SaveChanges();
     }
     return o;
 }
        public bool OrderUpdate(Order o)
        {
            using (var ctx = new TestDatabaseEntities())
            {
                Order ordUpdate =
                    ctx.Orders.Where(or => or.id == o.id).First();
                if (ordUpdate != null)
                {
                    ordUpdate.Price = o.Price;
                    ordUpdate.Description = o.Description;
                }
                else
                {
                    return false;
                }
                ctx.Entry(ordUpdate).State = EntityState.Modified;
                ctx.SaveChanges();

            }
            return true;
        }