sql to LINQ

Question

how can i convert bellow sql query to LINQ ?

 

SELECT dbo.AD_UserInReaders.ReaderID

FROM dbo.AD_UserInReaders

where sUserID=2 and ReaderID NOT IN

(SELECT dbo.TB_USER_DEVICE.nDeviceID FROM dbo.TB_USER_DEVICE WHERE (dbo.TB_USER_DEVICE.nUserIdn = 2))

 

 

Thank you