key code dll error

[Santosh]

Hii,
I am developing web application using asp.net with in that i am using
crytal report for showing reports. it works fine on local machine but
when i deploy it on the web server it gives me key code dll error. i am
trying thinks like making a web deployment set up add merge modules
with in it. passes registration key with in Help in .Net about .Net but
it still giving me samer error . can aby body tell me it is sufficient
to pass registration key with in Help in .Net about .Net for running
crystal report on web server.