![]() ![]() Open the Terminal in Visual Studio Code by selecting View > Terminal from the main menu. In the Do you trust the authors of the files in this folder? dialog, select Yes, I trust the authors. You'll add code later in the tutorial that assumes the project namespace is HelloWorld. The folder name becomes the project name and the namespace name by default. Then click Select Folder ( Open on macOS). In the Open Folder dialog, create a HelloWorld folder and select it. NET console app project named "HelloWorld". For information about how to install extensions on Visual Studio Code, see VS Code Extension Marketplace.Ĭreate a. Visual Studio Code with the C# extension installed.You can follow this tutorial with a different code editor and run commands in a terminal if you prefer. Project tasks, such as creating, compiling, and running a project are done by using the. NET console application by using Visual Studio Code and the. Here's an example of a missing using directive.This tutorial shows how to create and run a. Select the light bulb to see suggestions on how to fix the issue. When a name is unresolved, a light bulb icon appears in the editor. Visual Studio tries to help you identify missing references. If the code references any missing assemblies or NuGet packages, you need to add those references to the project. If the errors relate to unresolved names, you probably need to add a reference or a using directive, or both. Red squiggly underlines in code or entries in the Error List show errors even before you compile and run the program. To build properly, the code must be correct and have the right references to libraries or other dependencies. In those cases, you might be able to easily fix the build. Or the code might be correct, but maybe it depends on missing assemblies or NuGet packages, or targets a different version of. If a build doesn't succeed, see the following sections for some ideas on how to get the project to build successfully. ![]() Visual Studio attempts to build and run the code in your project. Using the Start button or F5 runs the program under the debugger. To start building the program, press the green Start button on the Visual Studio toolbar, or press F5 or Ctrl+ F5. If the code you want to run is in a GitHub or Azure DevOps repo, you can use Visual Studio to open the project directly from the repo. See Develop code without projects or solutions. Open the folder by choosing Open > Folder in Visual Studio. If the code is from another development environment, there's no project file. See Start from a Visual Studio solution or project. In Windows File Explorer, look for files with the. ![]() Programs that Visual Studio creates have project and solution files. If you have a folder with many files, first check for a project or solution file.
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