framework (1) 썸네일형 리스트형 EF6 sp 반환셋을 group by 할때 var result = (from r in (connect.Edumate.sMessageReceive(data.startDate, data.endDate, studentList, "", "") .Select(x => new ListItem { Content = x.Content, RegistDate = x.RegistDate })) group r by r.Content into g select new { Content = g.Key, RegistDate = g.Select(x => x.RegistDate).Distinct().FirstOrDefault() } ); 이전 1 다음