C#对word、excel、pdf、csv等格式文件的操作总结

http://blog.youkuaiyun.com/chinacsharper/article/details/8980456

http://blog.youkuaiyun.com/ruby97/article/details/7411114  C#操作Word -- 打开&关闭Word文档

http://blog.youkuaiyun.com/yezi2413/article/details/3132074 C#读取doc,pdf,ppt文件 

http://blog.youkuaiyun.com/yezi2413/article/details/3132074 C#读取doc,pdf,ppt文件 

http://www.cnblogs.com/yxhblog/archive/2012/06/06/2537642.html WinForm操作EXCEL（第三方插件NPOI）

http://wenku.baidu.com/view/7a06a162caaedd3383c4d384.html C#生成PDF文档,读取TXT文件内容

http://www.cnblogs.com/Clin/archive/2013/03/14/2959022.html         C# CSV文件读写