As previously mentioned, use the 'Search' button.
Also try the 'Tutorials'

Read the datasheet for the LCD - it'll have some example code in it; possibly even 8051 examples!

And here are some more links (definitely some 8051 examples amongst them):

Interfacing Example - Connecting a LCD Module to the RS-232 Port:
http://www.engj.ulst.ac.uk/sidk/reso...erial3.htm

How to control a HD44780-based Character-LCD:
http://home.iae.nl/users/pouweha/lcd/lcd.shtml

LCD Information and Technical Forum:
http://www.eio.com/lcdintro.htm