Dec 12, 2024 · Visual Studio attempts to build and run the code in your project. If a build doesn't succeed, see the following sections for some ideas on how to get the project to build successfully.

Oct 18, 2025 · Create project, add app.cs file, compile and run. The new project will have default file like Program.cs - remove it and add app.cs instead.

Start programming with C# in Visual Studio and run programs from a project or code file, work with assemblies, references, NuGet packages, and .NET. How to run a program or start an app depends …

Dec 13, 2025 · How to Compile and Run a Single .cs File in Visual Studio: Execute Individual C# Classes Step-by-Step Visual Studio is renowned as a powerful IDE for building large-scale .NET …

Dec 3, 2025 · Follow these steps to start or debug any project quickly in Visual Studio. Open your project or solution in Visual Studio. In Solution Explorer, right-click the project you want to start and …

To run your app, select Run > Run without Debugging in the upper menu, or use the ⌃F5 (Windows, Linux Ctrl+F5) keyboard shortcut. To learn more about debugging your C# project, read the …

Nov 10, 2025 · Let’s create a simple C# source file named app.cs. Its code relies on top level statement. This means that there is no Main() method nor Program class explicitly defined. Now let’s open a …

3 days ago · Learn how to create, build, and run C# applications from a single file without a project file.

Jul 30, 2025 · Go to File → New → Project (or use the Start Page). Select Console Application from the Visual C# templates list. After giving your project a name and indicating where you want it saved, …

Mar 14, 2024 · To start writing code, double-click on the file with the “.cs” extension under the project’s name in the solution explorer. This will open the code editor, where you can write and edit your code. …