待整理的链接内容

• C#中五种访问修饰符的作用域

  https://www.cnblogs.com/yangxi1081/p/9437716.html

• 类型化数据集

  https://blog.csdn.net/meng6098/article/details/6871383
  https://docs.microsoft.com/zh-cn/dotnet/framework/data/adonet/dataset-datatable-dataview/typed-datasets

• static用法详解

  https://www.cnblogs.com/lycb/p/11273772.html

• 有关OracleCommand已弃用的消息（先汉语后英语）

  https://docs.microsoft.com/zh-cn/dotnet/api/system.data.oracleclient.oraclecommand?view=netframework-4.8
  https://docs.microsoft.com/zh-cn/dotnet/framework/data/adonet/oracle-and-adonet
  https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/oracle-and-adonet?redirectedfrom=MSDN

其他几项与问题

• chart控件如何读取数据库
• datagridview用数据集作为数据源

https://bbs.csdn.net/topics/392285329
https://ask.csdn.net/questions/651578
https://blog.csdn.net/weixin_34273479/article/details/93796842
https://docs.microsoft.com/zh-cn/dotnet/api/system.windows.forms.bindingsource?view=windowsdesktop-6.0
https://docs.microsoft.com/zh-cn/dotnet/api/system.windows.forms.datagridview.datasource?view=windowsdesktop-6.0