subQuery using Linq

Question

// sql returns records

SELECT * FROM InfoDetails WHERE InfoId =( SELECT tOP 1 InfoId FROM InfoMaster WHERE recordid=1 ORDER BY  CreationDate  DESC)

// returns 0 records

    db.InfoDetails.Where(u => u.InfoId ==(db.InfoMaster
                  .Where(x => x.recordid == Id).OrderByDescending(x => x.CreationDate).Select(x => x.InfoId).FirstOrDefault()))
                  .Select(t=> new InfoListViewModel

• i need the above sql as linq lambda expression

  sql returns reocrds but linq returns 0