

These include multi- tiered architecture, server and client side scripting techniques, implementation technologies such as ASP.NET, programming language (such as C#, VB.NET), relational databases (such as MySQL, Access). In order to develop an e- commerce website for online shopping, a number of Technologies must be studied and understood. The system is implemented using a 3- tier approach, with a backend database, a middle tier of Microsoft Internet Information Services (MIIS) and PHP, and a web browser as the front end client. In order to facilitate online purchase a shopping cart is provided to the user. It provides the user with a catalogue of different goods and services available for purchase in the store. This project deals with developing an e- commerce website for online shopping.

The primary goal of an online shopping site is to sell goods and services online. Once you list down all the objects, actors, lifelines, and messages you get a complete visual representation of how a system works.The business-to- consumer aspect of an online shopping is the most visible business use of the World Wide Web.

Sequence diagrams show the order of interaction in a system by moving down the lifeline with each message.

