So, I was clearing my desktop because it was cluttered and must have accidentally deleted Rocksmith and Steam. I reinstalled both and all of my purchased DLC's are still there in Rocksmith, but none of my CDLCs were. I downloaded the D3DX9_42.dll file and placed it in the Rocksmith 2014 folder because it was not there. Are there any steps that I'm missing? Because my cdlcs still wont work. Thanks for the help.

Are your CDLC files still in the dlc  folder of rocksmith 2014?

Are your CDLC files still in the dlc  folder of rocksmith 2014?

Yes they are.

Does your cherub rock work?

Do you mean the song?

did you try putting the (rocksmith2014_patcher ) file in , mine wouldnt work without it.

Yes the song.  If cherub rock (official dlc) is not visible in your rocksmith then nothing else will be. 

I had the same problem, then I downloaded the CustomForge song manager from the tools tab above in the forum, After opening that, check the box that says Validate D3DX9_42.dll........my CDLCs worked after doing that....good luck