public long SetCellPhone(CELLPHONE CellPhone, long HumanID)
 {
     using (KARYABDBEntities db = new KARYABDBEntities())
     {
         try
         {
             db.Configuration.ProxyCreationEnabled = false;
             db.CELLPHONES.Add(CellPhone);
             db.SaveChanges();
             OWNERSCELLPHONE owenersCellPhone = new OWNERSCELLPHONE();
             owenersCellPhone.CELLPHONEID      = CellPhone.ID;
             owenersCellPhone.CELLPHONEOWNERID = HumanID;
             db.OWNERSCELLPHONES.Add(owenersCellPhone);
             db.SaveChanges();
             return(CellPhone.ID);
         }
         catch
         {
             return(0);
         }
     }
 }
        public bool DeleteCellPhone(CELLPHONE Entity)
        {
            using (KARYABDBEntities db = new KARYABDBEntities())
            {
                try
                {
                    db.Configuration.ProxyCreationEnabled = false;
                    CELLPHONE       entity = db.CELLPHONES.FirstOrDefault(q => q.ID == Entity.ID);
                    OWNERSCELLPHONE Owner  = db.OWNERSCELLPHONES.FirstOrDefault(q => q.CELLPHONEID == Entity.ID);
                    db.OWNERSCELLPHONES.Attach(Owner);
                    db.OWNERSCELLPHONES.Remove(Owner);
                    db.SaveChanges();
                    db.CELLPHONES.Attach(entity);
                    db.CELLPHONES.Remove(entity);
                    db.SaveChanges();

                    return(true);
                }
                catch (Exception e)
                {
                    return(false);
                }
            }
        }