Shopping Cart application on SharePoint 2010?

Question

We would like to develop a Shopping Cart application on SharePoint 2010, any pointers?

Answer 1

I would highly recommend msdn as a start for ecommerce:

Introducing SharePoint Commerce Services

http://msdn.microsoft.com/en-us/library/dd328362(v=cs.95).aspx

also look into what they already have for you setup and weather its the right thing for you using webparts:

Commerce Server Web Parts

http://msdn.microsoft.com/en-us/library/hh597540(v=cs.95).aspx

as someone on msdn has noted:

SharePoint doesn't have eCommerce capabilities you will need to develop the Shopping Cart functionality in ASP.NET, use a 3rd party component or use Microsoft Commerce server

http://social.msdn.microsoft.com/Forums/en-US/sharepointdevelopmentlegacy/thread/a53d0525-7286-49ec-a172-adcbbc479a62/

That being said you have thoes choices:

third party shopping cart at $89

http://www.coffeecup.com/shopping-cart-designer-pro/

How to build a no code shopping cart with SharePoint 2010 – Part 1: Background

http://www.synergyonline.com/blog/Lists/Posts/Post.aspx?ID=165

Open source commerce:

http://stackoverflow.com/questions/319962/what-is-the-best-opensource-asp-net-ecommerce-solution

and

http://www.sslmatic.com/blog/16-powerful-and-open-source-e-commerce-applications/

also there is another question asked simmilar to this ;)

Best Practice for Shopping-Cart like functionality in SharePoint

hope it helps :)

Answer 2

Free Templates/Solutions:
Step by Step Shopping Cart - 2 Parts
Best Practice for Shopping-Cart like functionality in SharePoint

Third Party
Shopping Cart for SharePoint 2010.
Creating a simple shopping cart in SharePoint
SharePoint eCommerce
SharePoint solutions for Procurement & Supplier Relationship Management

Besides all of these, please read the below Question:
how to create shopping cart application in sharepoint?

I completely agree to that, SharePoint may not be the proper selection for building such solution, you should go for ASP.NET Application instead!