几个不错的web service

http://dotnet.aspx.cc/article/6381BD5F-51F3-4339-4239-1328564A1B2A/read.aspx
通过Web Services上传和下载文件

http://dotnet.aspx.cc/article/0D99E5F2-92F7-4B3E-ACC2-8B57EC8E25AA/read.aspx
创建数据库Web Services