layout: true <div class="my-header"></div> <div class="my-footer">Andrei Ignat , http://msprogrammer.serviciipeweb.ro/</div> --- class: center, middle # Agenda 0. About me 1. C# 8.0 What's new 2. .NET Core What's new 3. ASP.NET Core What's new 4. EF Core What's new 6. Questions ? Code at https://github.com/ignatandrei/Presentations/tree/master/2019/shorts/NetCore3.0WhatsNew --- class: center, top # About me  Andrei Ignat http://msprogrammer.serviciipeweb.ro/ www.ASP.NET forum moderator YouTube 5 minutes .NET and tools : http://bit.ly/5MinTools Book Making Open Source Component : http://bit.ly/NetOpenSourceComponent Book Copy Paste from StackOverflow : https://amzn.to/2PQ8EDc Monthly meetings: https://www.meetup.com/Bucharest-A-D-C-E-S-Meetup/ --- # C# 8.0 What's new Reference: https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-8 https://github.com/dotnet/csharplang/blob/master/meetings/2017/LDM-2017-03-08.md Demos: 1. Default Interface Inheritance 1. Multiple Interface Inheritance 1. Switch 1. Deconstruct Other demos: 1. UsingUsage 1. StaticLocalFunctions(); 1. Nullable(); 1. Version(); 1. Indexes(); 1. NullCoalescing(); See NetCore3WhatsNew.sln --- # .NET Core What's new Reference: https://docs.microsoft.com/en-us/dotnet/core/whats-new/dotnet-core-3-0 https://devblogs.microsoft.com/dotnet/announcing-net-core-3-0/ Demos: 1. AsyncEnumerable 1. WPF 1. COM 1. Build ( trim, single file) 1. Diamond hell with plugins See NetCore3WhatsNew.sln and AssemblyLoadingUnloadingDiamond.sln --- # ASP.NET Core What's new Reference: https://docs.microsoft.com/en-us/aspnet/core/release-notes/aspnetcore-3.0?view=aspnetcore-3.0 1. Blazor + Blazor Server 1. gRPC - https://docs.microsoft.com/en-us/aspnet/core/grpc/index?view=aspnetcore-3.0 1. SignalR - reconnection, authorization 1. NewtonSoft => System.Text.JSON 1. Windows Authentication has been extended onto Linux and macOS. 1. GenericHost - see https://docs.microsoft.com/en-us/aspnet/core/migration/22-to-30?view=aspnetcore-3.0&tabs=visual-studio#hostbuilder-replaces-webhostbuilder 1. As of ASP.NET Core 3.0, .NET Framework is no longer a supported target framework --- # EF Core What's new Reference: https://devblogs.microsoft.com/dotnet/announcing-ef-core-3-0-and-ef-6-3-general-availability/ 1. Refactoring + Single SQL statement per LINQ query 1. Restricted client evaluation - i.e. Explicit AsEnumerable 1. C# 8.0 support - AsAsyncEnumerable 1. IDbCommandInterceptor See NetCore3WhatsNew.sln , AsyncEnumerable See https://github.com/ignatandrei/EFRecordAndPlay/tree/master/EF_Core3/EFCoreRecordAndPlay/EFRecordAndPlayTest --- class: center, top # Questions?  Andrei Ignat http://msprogrammer.serviciipeweb.ro/ www.ASP.NET forum moderator YouTube 5 minutes .NET and tools : http://bit.ly/5MinTools Book Making Open Source Component : http://bit.ly/NetOpenSourceComponent Book Copy Paste from StackOverflow : https://amzn.to/2PQ8EDc Monthly meetings: https://www.meetup.com/Bucharest-A-D-C-E-S-Meetup/