C#相关学习

 C#基础知识：C# 教程 | 菜鸟教程 

C#操作Postgresql：
http://www.jb51.net/article/35643.htm
http://blog.chinaunix.net/uid-723829-id-175690.html
http://www.thinksaas.cn/topics/0/519/519061.html
http://blog.sina.com.cn/s/blog_5c9288aa01014gks.html
http://blog.youkuaiyun.com/mygisforum/article/details/7931749
C#写文件
http://www.cnblogs.com/researcher/p/4989395.html
http://bbs.youkuaiyun.com/topics/350249938
http://bbs.youkuaiyun.com/topics/390120294
C#创建文件夹：
https://zhidao.baidu.com/question/589211419.html
http://bbs.youkuaiyun.com/topics/390988732?page=1
C#创建子文件夹：
http://bbs.youkuaiyun.com/topics/391546611
C# 实用文件存储：
http://blog.youkuaiyun.com/a1092484359/article/details/51351130
C#二进制读写：
http://blog.youkuaiyun.com/e295166319/article/details/52704080

http://www.cnblogs.com/tanding/archive/2012/08/05/2623907.html

C#实现图片文件到数据流再到图片文件的转换：
https://www.cnblogs.com/wzwyc/p/6292658.html

C#数组读写：
http://www.cnblogs.com/ouyangfu/p/4825448.html

http://bbs.youkuaiyun.com/topics/390988732?page=1

C#清除数组中数据的几种方法及性能比较：

C#清除数组中数据的几种方法及性能比较_lphbtm的专栏-优快云博客_c#如何清空数组中的数据

C#查找与替换：
http://www.jb51.net/article/56829.htm
http://bbs.youkuaiyun.com/topics/392135157?page=1
http://bbs.youkuaiyun.com/topics/390250147
https://zhidao.baidu.com/question/161422694.html
http://bbs.youkuaiyun.com/topics/340093587

C#操作数据库中的config参数：
http://blog.sina.com.cn/s/blog_5c9288aa01014gks.html

http://blog.youkuaiyun.com/kasama1953/article/details/52227978

理解C# 4 dynamic(1) - var, object, dynamic的区别以及dynamic的使用：
https://www.cnblogs.com/JustRun1983/p/3163350.html

C#appsertting文件配置连接字符串：
http://www.cnblogs.com/dearbeans/p/7168585.html
C#读写App.config配置文件的方法：
http://www.cnblogs.com/feiyuhuo/p/5243967.html
http://blog.youkuaiyun.com/lhypang2006/article/details/2775283
http://www.cnblogs.com/jameshappy/archive/2012/11/29/2794218.html
https://www.2cto.com/kf/201702/538477.html
http://blog.youkuaiyun.com/xipan10102232/article/details/48135393
http://blog.youkuaiyun.com/xiaodenanhai/article/details/45332395
C# 配置文件 AppSettings和ConnectionStrings的区别：
http://www.cnblogs.com/linweifan/p/5431094.html