Implement exponential backoff when using ADO.NET

Demonstrates how to implement exponential backoff to retry failed connections when connecting to Cloud SQL for SQL Server using ADO.NET with the Polly .NET library.

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Code sample

C#

Policy
    .Handle<SqlException>()
    .WaitAndRetry(new[]
    {
        TimeSpan.FromSeconds(1),
        TimeSpan.FromSeconds(2),
        TimeSpan.FromSeconds(5)
    })
    .Execute(() => connection.Open());

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