Set connection pool and overflow limits when using ADO.NET

Demonstrates configuring the connection pool size and overflow when connecting to Cloud SQL for SQL Server using the ADO.NET Connection object.

Explore further

For detailed documentation that includes this code sample, see the following:

• Manage database connections

Code sample

C#

To authenticate to Cloud SQL for SQL Server, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

// MaximumPoolSize sets maximum number of connections allowed in the pool.
connectionString.MaxPoolSize = 5;
// MinimumPoolSize sets the minimum number of connections in the pool.
connectionString.MinPoolSize = 0;

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