学习CSharp，参考资料:
- 基础: https://c.biancheng.net/csharp/
- Entity Framework Core: https://www.entityframeworktutorial.net/efcore/entity-framework-core.aspx
- 版本有点旧的，学完建议去官方看看版本更新日志：https://learn.microsoft.com/zh-cn/ef/core/what-is-new/
- WPF: https://www.wpfsoft.com/
- LINQ: https://hzd.plus/2019/08/26/C-%E5%9B%BE%E8%A7%A3%E6%95%99%E7%A8%8B%E4%B9%8BLINQ/
- SqlSugar: https://www.donet5.com/Home/Doc
- WinForms: https://learn.microsoft.com/en-us/dotnet/desktop/winforms/?view=netdesktop-8.0
- AspNetCore: https://dotnet.microsoft.com/en-us/apps/aspnet