I have two more questions to this forum - a great place to learn and bunch of good people around
Q1. where i can find some documentation that guide us through code and explain, that from where the actual execution start etc et
Q2. What is role of portalcfg.xml and portalcpg.xsd file. How the application read it?
A1. There is a documentation on the StartMenu | All Programs | Asp.net StarterKits | Asp.net Portal.
A2. Application reads the data from portalcfg.xml according to the definitions defined in portalcfg.xsd file in a types dataset.