channel9
https://channel9.msdn.com/
https://study.163.com/course/introduction.htm?courseId=1005955006#/courseDetail?tab=1
https://zhuanlan.zhihu.com/p/53859263
ASP.NET Core免费(视频)教程汇总
https://www.cnblogs.com/ckjbug/p/9763503.html
https://www.bilibili.com/video/av33728783