When you’re working with a Project/Solution in Visual Studio, which file should you open?
When working with a project or solution in Visual Studio, the main file you should open is the solution file with a .sln extension.
To open a solution file, follow these steps:
1. Launch Visual Studio.
2. On the Start page, click on "Open a project or solution."
3. If you're already on the IDE (Integrated Development Environment), you can go to the "File" menu and select "Open" and then "Project/Solution."
4. Browse to the location of your solution file and select it.
5. Click on "Open" or press Enter.
Opening the solution file (.sln) will load all the projects within the solution, along with their associated files. You can explore and navigate the various project files and folders within the solution explorer window, conveniently located on the right-hand side of the Visual Studio interface.
Additionally, if you want to open a specific project within a solution, you can right-click on the project file (.csproj for a C# project, .vbproj for a VB.NET project, etc.) within the solution explorer and select "Open" or "Open with."
Remember that opening the solution file (.sln) is the preferred way to work with projects in Visual Studio, as it provides a centralized view of all the components of the solution.