Trackablecollection problem in EF

I newbie in EF.

I have Table A linked together to table B, by passing a primary ID from table A which is a secondary ID on table B Iam trying 开发者_StackOverflow中文版to retrieve an object from table B. But I am getting trackableCollection'1[Object name(from table B)]

Any suggestions? I am trying to retrieve using stored proc here is the code:

select * from tableB as da left outer join tableA as cr on da.ID = cr.ID where da.ID = @d