Csharp编写的基于CRM的客户关系管理软件，商业软件，已经有好多商业客户，功能强大-Csharp prepared based CRM customer relationship management software, business software, has a lot of business customers, powerful

csharp编写的小区物业管理系统，系统很完整，源码量较大。功能强大。-csharp written in residential property management system, the system is complete, a large amount of source code. Powerful.

KTV点歌系统，Csharp编写，体积较大，商业级代码，市价卖2万多。功能很强大，对于初学者和高手都有很高借鉴价值，也可以做为毕业论文，毕业课题使用。-KTV VOD system, Csharp written larger, commercial-grade code, the market price to sell more than 20,000.