How Do I Retrieve the Connection String for My SQL Server Database in Visual Studio?

Accessing Your SQL Server Database Connection String

Connecting a SQL Server database (created via SQL Server Management Studio) to your C# application requires the correct connection string. This guide shows you how to find it within Visual Studio.

Locating Your Database

Your SQL Server Management Studio database resides within your SQL Server instance. To find it, open Visual Studio's Server Explorer (View -> Server Explorer) and establish a connection to your server.

Retrieving the Connection String

Once connected, the connection string is readily available in the server's properties. Select your database connection, then press F4, Alt Enter, or right-click and choose "Properties." The connection string will be listed under "Connection Properties."

Database Deployment for Visual Studio Projects

While not mandatory for Visual Studio integration, deploying your database (if created using SQL Server Express or localDB) to the App_Data folder simplifies deployment in ASP.NET applications. Note: SQL Express or localDB must be installed on the target machine.

Advanced Connection String Options

For fine-tuned control, use the "Advanced..." button in the "Add Connection" dialog. This allows customization of settings like Multiple Active Result Sets (MARS), connection resiliency, timeout values, and connection pooling.

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