validating an xml file

Hi
I am Interested to know how the validation of xml file is done. I know it 
can be done using DTD OR SCHEMA but iam not very clear about it. Please send 
me some code samples or some links that will help me understand better.
any help is appreciated

Thanks
Abdul

_____________________________________________________________________________________
Get more from the Web.  FREE MSN Explorer download : http://explorer.msn.com

Received on Wednesday, 13 December 2000 10:39:45 UTC