FILTER Function Not Working

Surenraj Posts 1 Registration date Thursday October 10, 2013 Status Member Last seen October 10, 2013 - Oct 10, 2013 at 01:25 AM
Good Morning Sir,

I m suren from chennai, i m working in excel i have filter but sudden it was not working in the menu bar filter oprion is disable it not showing to not able to click it too . pls resolve it sir