public static List <Sys_DanhMucNhom> GetGroupsForUser(Guid userId) { List <Sys_DanhMucNhom> groups = new List <Sys_DanhMucNhom>(); xRPDataContext dataContext = new xRPDataContext(); var result = dataContext.Sp_Qlht_GetAllGroupsForUser(userId); foreach (Sp_Qlht_GetAllGroupsForUserResult g in result) { groups.Add(new Sys_DanhMucNhom { ID = g.ID.Value, TenNhom = g.TenNhom }); } return(groups); }