code View

            var q_uvu = db.d_events
           .AsNoTracking()
           .Where(x => x.event_type.ToLower() == "app_verify" &&
                       //x.event_type == "APP_VERIFY" && 
                       x.date_apt_exe == null)
           .Select(s => new
           {
               s.id_person,
               idApt = (string.IsNullOrEmpty(s.id_event) ? "" : "!")
           }).Distinct();

        DateTime datetmp = DateTime.Now.AddDays(-270);

        var qry = (from p in db.d_person
                   from q in q_uvu.Where(w => p.id_person == w.id_person).DefaultIfEmpty()
                   from e in db.d_events.Where(w => w.domain == "PREGNANCY" && w.id_person == p.id_person)
                   where
                       e.date_start < datetmp
                       && p.date_stopped == null
                       && e.event_status == null
                   select new
                   {
                       p.id_person,
                       q.idApt,
                       p.id_dream,
                       p.pe_surname,
                       p.pe_name,
                       p.pe_sex,
                       p.pe_dob,
                       e.ev_vd1,
                       p.pe_note

                   }).AsEnumerable().Select(s => new
                   {
                       s.id_person,
                       s.idApt,
                       s.id_dream,
                       s.pe_surname,
                       s.pe_name,
                       s.pe_sex,
                       _data = (s.pe_dob.HasValue) ? s.pe_dob.Value.ToShortDateString() : "",
                       _dataPsp = (s.ev_vd1.HasValue) ? s.ev_vd1.Value.ToShortDateString() : "",
                       s.pe_note
                   });

        dt = qry.ToDataTable();
        dt.TableName = "lst_data";