Starting with .NET 8 you can deserialize into properties which do not have a set accessor. You can opt-in for this behavior using JsonSerializerOptions, or on a per-type basis using the JsonObjectCreationHandling attribute. Using JsonObjectCreationHandling attribute You can annotate your type with the System.Text.Json.Serialization.JsonObjectCreationHandling attribute, passing your option as a parameter. Using JsonSerializerOptions You can…
By default, if you have additional properties in a JSON payload you are trying to deserialize, they are simply ignored. But what if you wanted the deserialization to fail and throw an exception when there are extra properties in the JSON? That is possible starting with .NET 8. There are several in which you can…
dotnet script enables you to run C# scripts (.CSX) from the .NET CLI. The only requirement is to have .NET 6 or newer installed on your machine. You can use the following command to install dotnet-script globally: Then to execute a script file you simply call dotnet script <file_path> like in the example below: How…
You can use the WaitForExit method to wait for the process to complete. Your code will wait synchronously for the process to finish, then it will resume execution. Let’s look at an example: The code above will start a new cmd.exe process, and execute the timeout 5 command. The process.WaitForExit() call will force your program…
.NET 8 introduces several new naming policies that can be used with the System.Text.Json serializer. To name them: Let’s look at the serialized output for each of them. For this, we’re going to use a Car class with the following definition: And we are going to serialize the following object instance: Lower snake case (snake_case)…
The correct syntax for generating a project with AOT is –aot (with 2 hyphens). In this particular case, the correct command would be:
When using dotnet script you can pass arguments by specifying them after — (two dashes). You can the access the arguments in the script using the Args collection. Let’s take an example. Assume we have the following myScript.csx script file: We can pass parameter to this script as follows:
C# is a modern, general-purpose, object-oriented programming language developed by Microsoft. It is widely used for Windows desktop applications, games (especially using the Unity engine), and web development through the ASP.NET framework. C# is considered to be beginner-friendly and is a great language for new programmers. Below we explore some of the reasons why C#…
.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# languange, namely C# 12. Check out our dedicated page…