Configure the maximum number of seconds a connection can persist when connecting to Cloud SQL for PostgreSQL by using the ADO.NET Connection object.
Documentation pages that include this code sample
To view the code sample used in context, see the following documentation:
// ConnectionIdleLifetime sets the time (in seconds) to wait before // closing idle connections in the pool if the count of all // connections exceeds MinPoolSize. connectionString.ConnectionIdleLifetime = 300;