Some time you create a blank solution and then add say a website to it. What you see is that the website is shown in the solution explorer but there is no solution. Now you want to add another project but there is no solution hence you wonder where the solution is and how can I add a new project to my solution with the already opened website attached to it.
What happens actually is that showing solution option which is by default turned off causes the solution to take back seat once a project is associated to it. To enable the same go to tools -> options -> Projects settings and find always show solution options.
The image below shows the same:
This helps a lot when you are creating a blank solution, adding a website and other library proects to it and have to later add the solution to a version control system.
Hope this helps!!
bye for now.
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