browse to your local server through the "Server Explorer" tab in VS.NET. You should be able to view/generate a new connection string from there. I've noticed that localhost/ (local) didn't work for me ...

Take advantage of the mission-critical capabilities in SQL Server 2016 for real time operational analytics, rich data visualizations and improved data security SQL Server is Microsoft’s flagship ...

Fix SQL Server connection problems If you are a developer experiencing “Connect to Server” errors using SQL Server Management Studio on your local machine or development box, consult the checklist ...