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E-Commerce Solution for Used Goods

The website is a rich solution for home school parents that would like to buy and sell curriculum. It is a rich web 2.0 experiences when it comes to Search, Results, Displaying Thumbnails and pictures. User can easily add items and add pictures to those items. Website has a simplified membership functionality based on different levels of subscriptions.

Features

  • User sign-up
  • Create new items for selling
  • Add items for buying
  • Pay items by sellers PayPal account
  • Different levels of subscriptions (with payment by PayPal IPN)
  • Messaging between buyer and seller (by website with e-mail notification)
  • Search in all items with auto-complete

Architecture

The software is a standard ASP.NET application with RDBMS server (MS SQL).This application uses modules structure principle. Main aspects of this concept are:
  • Each module provides only one functionality (for example, data access or e-mail notification)
  • Communication between modules is limited by specified methods
It reduces the errors possibility and make changing more easily. We use the LINQ to SQL for data access layer.

Technologies

  • .NET 3.5 (ASP.NET), C#
  • Database Microsoft SQL Server 2005
  • LINQ to SQL for data access
  • Microsoft AJAX (http://ajax.asp.net)
  • AJAX Control Toolkit (http://asp.net/ajax/ajaxcontroltoolkit)
  • PayPal IPN for subscription payment
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