i unable to see files in hosting panel .showing data error..

also showing

Database connection

I have this error on my website:
Error establishing a database connection


---------- Post added at 09:35 AM ---------- Previous post was at 06:03 AM ----------

my website is http://kgceinstru.co.cc and i have one another site having same proble.. this is happening since 3 days .. before that everythings was ok .. i didnt touch anything