public IHttpActionResult GetAllDomains()
        {
            List <DomainsDT> res = DomainsDT.ConvertToDto(DB.Domains.ToList());

            return(Ok(res));

            //DB.Configuration.ProxyCreationEnabled = false;
            //return Ok(DB.Domains);
        }
        public IHttpActionResult AddField(DomainsDT domainsDT)
        {
            Domains D = domainsDT.ConvertToDomains();

            DB.Domains.Add(D);
            DB.SaveChanges();
            int ND = DB.Domains.First(x => x.Name == D.Name).Id;

            return(Ok(ND));
        }