accessing database through applet

[sarika]

i wann to access mysql database using dsn or dsnless connection....i tried both the options....they work properly when i run them through dos prompt...but when i run applet usinng html through browser...its giving me exception....security access exception.....so
is anything extra requd when i run applet through browser....or they r having security not to access database.......below i m giving my applet code also...plz give me a help for this....