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Starting with Microsoft Graph .NET SDK 5.0, the QueryOption class is no longer used. Instead, query options are set using the requestConfiguration modifier. Let’s take a simple example: If you must use QueryOptions, your only alternative is to downgrade the Microsoft Graph package to a 4.x version.

Learn how to pass arguments to a dotnet script using the -- separator and access them via the Args collection.

Fix the 'dotnet-ef does not exist' / 'dotnet ef command not found' error by installing the EF Core CLI as a global or local .NET tool.

A beginner's guide to getting started with C# programming, from setting up Visual Studio to writing your first program and finding learning resources.

Fix C# 12 language version errors by updating your target framework to .NET 8 or setting LangVersion in your .csproj file.

An overview of new features in C# 12, including primary constructors, default lambda parameters, collection expressions, inline arrays, and more.

.NET 8 was released on November 14, 2023 as an LTS (Long Term Support) version, meaning it will continue to receive support, updates, and bug fixes for at least three years from its release date. As usual, .NET 8 brings support for a new version of the C# language, namely C# 12. Check out our dedicated page…

C# 12 lets you specify default parameter values and params arrays in lambda expressions, just like in methods and local functions.

Learn how to define and use generic attributes in C# 11, including restrictions on type arguments and common error messages.

Learn how the C# 11 file access modifier restricts a type's scope to the file in which it is declared, helping avoid name collisions with source generators.