Скачать или смотреть New LINQ Methods in .NET 9: CountBy, AggregateBy, Index | Beginner-Friendly .NET Tutorial

In this beginner-friendly .NET 9 tutorial, we explore the new LINQ methods: CountBy, AggregateBy, and Index. Learn how these methods simplify working with collections and data aggregation in C# by replacing older, more complex techniques. We demonstrate how .NET 9 makes tasks like counting elements, aggregating data, and accessing indexes in a collection easier and more efficient. Perfect for ASP.NET Core developers looking to stay up-to-date with the latest .NET 9 features and improve their LINQ skills.🚀

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Chapters:
0:00 Intro
0:12 New LINQ Methods
0:47 Count Before .NET 9
1:35 CountBy()
2:20 Aggregate Before .NET 9
3:00 AggregateBy()
3:50 Index Before .NET 9
4:44 Index()

#dotnet #csharp #linq #aspnetcore #dotnetcore #dotnet9 #csharp #csharptutorial