泛型问题
C# 之泛型详解 http://www.blogjava.net/Jack2007/archive/2008/05/05/198566.html
C# List<T>的详细用法 http://www.cnblogs.com/puzi0315/archive/2012/08/08/2628981.html
webservice接口优缺点 http://www.cnblogs.com/ShaYeBlog/archive/2012/09/03/2668840.html
dblink http://www.cnblogs.com/zmlctt/p/3749029.html