摘要：
1.如何使用Join:http://www.devcurry.com/2011/01/join-example-in-linq-and-c.html 阅读全文
摘要：
1. ConfigurationManager的命名空间：using System.Configuration;2.To be able to save you have to use a configuration object returned by the OpenExeConfigurati... 阅读全文