guide me to develop myself

hi!
i am a basic web developer. i know asp.net sql server. i just want to develop myself. like to know what must be known in web developing
which controls must be known(in other words which which control i used mostly for all all kind of req.)
common and basic things in asp.net programming
which methodology must be follow and known
database wise also pls suggest
to be a best develope how must i shape myself.
pls guide.
...