Reader small image

You're reading from  Architecting ASP.NET Core Applications - Third Edition

Product typeBook
Published inMar 2024
Reading LevelIntermediate
PublisherPackt
ISBN-139781805123385
Edition3rd Edition
Languages
Right arrow
Author (1)
Carl-Hugo Marcotte
Carl-Hugo Marcotte
author image
Carl-Hugo Marcotte

Carl-Hugo Marcotte is a software craftsman who has developed digital products professionally since 2005, while his coding journey started around 1989 for fun. He has a bachelor's degree in computer science. He has acquired a solid background in software architecture and expertise in ASP.NET Core through creating a wide range of web and cloud applications, from custom e-commerce websites to enterprise applications. He served many customers as an independent consultant, taught programming, and is now a Principal Architect at Export Development Canada. Passionate about C#, ASP.NET Core, AI, automation, and Cloud computing, he fosters collaboration and the open-source ethos, sharing his expertise with the tech community.
Read more about Carl-Hugo Marcotte

Right arrow

Top-level statements

The .NET team introduced top-level statements to the language in .NET 5 and C# 9. From that point, writing statements before declaring namespaces and other members became possible. Under the hood, the compiler emits those statements in a Program.Main method.

With top-level statements, a minimal .NET “Hello World” console program looked like this (Program.cs):

using System;
Console.WriteLine("Hello world!");

Unfortunately, we still need a project to run it, so we have to create a .csproj file with the following content (for example, MyProject.csproj):

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <TargetFramework>net8.0</TargetFramework>
        <OutputType>Exe</OutputType>
    </PropertyGroup>
</Project>

From there, we can use the .NET CLI to dotnet run the application, and it will output the following in the console before the program terminates...

lock icon
The rest of the page is locked
Previous PageNext Page
You have been reading a chapter from
Architecting ASP.NET Core Applications - Third Edition
Published in: Mar 2024Publisher: PacktISBN-13: 9781805123385

Author (1)

author image
Carl-Hugo Marcotte

Carl-Hugo Marcotte is a software craftsman who has developed digital products professionally since 2005, while his coding journey started around 1989 for fun. He has a bachelor's degree in computer science. He has acquired a solid background in software architecture and expertise in ASP.NET Core through creating a wide range of web and cloud applications, from custom e-commerce websites to enterprise applications. He served many customers as an independent consultant, taught programming, and is now a Principal Architect at Export Development Canada. Passionate about C#, ASP.NET Core, AI, automation, and Cloud computing, he fosters collaboration and the open-source ethos, sharing his expertise with the tech community.
Read more about Carl-Hugo Marcotte