L.Smart is a developing platform for smart system.
It is bulit of ASP.NET, SQL Server 2005 Express as it's database.
The system block diagram is below:

With the help of DLINQ(LINQ to SQL), Data Access Layer is created automatically by drag database object into a dbml file in VS2008.
Considering the usage of Client/Server application,WCF is used whatever this system is deployed as a distributed system.
This system is built with lots of ASP.NET new features, such as ASPNET MVC, ASP.NET AJAX.
Lots of Oper Source and Third Party components are used:
- Enterprise Library
- AJAXControlToolKit
- AJAXDataControls
- ASPNetPager
- ComponentArt
- FCKeditor
- ICSharpCode.SharpZipLib
- Intelligencia.UrlRewriter
- CSSFriendly
- RssToolkit