how to create online shopping website.. ??
You have to get the requirement first and then program it..

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- You may start with the Enterprise Samples available inside visual studio
application folder to get some idea about general app development.
- Then you may refer to
http://sourceforge.net/ or any other open source
development center to find some simlar type of application to get you
understand the scope ..
any architecture ??
Very difficult to say.. it depend on the requirement.. at highlevel breaking
your system in to two modules would be better for later expansions.. i.e.
ASPX.NET and Webservice
If you are a beginer and want to get a basic understanding of how to break
your system, then you may refer to
http://www.codeproject.com/useritems/System_Design.asp
How to design any guidlines ?
May help the same site
and what is verisign ??
A product that can be use to handle online payment..
other secure protection needed ??
Again depend on the requirement and what you going to sell online etc..
if they are book then the way you need to protect them very from the
publisher, and if they are consumer goods then a good payment gateway will
do the trick.. etc
Nirosh.