public static void UpdateItemsSubject(ItemsSubject itemsSubject)
 {
     using (RatzhKatzviEntities1 db = new RatzhKatzviEntities1())
     {
         // db.Entry(itemsSubject).State = itemsSubject.Modified;
         db.SaveChanges();
     }
 }
        //Delete
        public static void DeleteById(ItemsSubject it)
        {
            if (it != null)
            {
                using (RatzhKatzviEntities1 db = new RatzhKatzviEntities1())
                {
                    db.Entry(it).State = EntityState.Deleted;

                    //db.ItemsSubject.Remove(it);
                    db.SaveChanges();
                }
            }
        }