The connection string you created is used to connect to SQL Server in applications, which has nothing to do with SQL Server Management Studio. I'm pretty lost right now. The syntax of specifying the server instance in the value of the server key is the same for all connection strings for SQL Server. How to say "patience" in latin in the modern sense of "virtue of waiting or being able to wait"? "Data Source=MySqlServer\MSSQL1;" You can also set the DataSource property of the SqlConnectionStringBuilder to the instance name when building a connection string. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. How can I change an element's class with JavaScript? Name of a play about the morality of prostitution (kind of), Allow non-GPL plugins in a GPL main program. Retrieve the existing database connections (optional) Run the following commands to see the existing database connection strings: copy.