LINQ 구문으로 GROUP BY 를 통해 MULTI 멀티 필드 FIELD 가져오기
SQL 구문
SELECT CompanyID, UserID FROM UNIV_BOA_Lists WHERE CompanyID = 1 AND UserID = 1
GROUP BY CompanyID, UserID
LINQ 구문
from u in UNIV_BOA_Lists
where u.CompanyID == 1 && u.UserID == 1
group u by new { u.CompanyID, u.UserID } into g
select new