IDbConnection (QueryMultiple<Customer, Order>)

IDbConnectionQueryMultipleCustomerAndOrder.cs

using (var connection = new SqlConnection(connectionString))
{
     // Call the method, returns Tuple<T1, T2>
     var tuple = connection.QueryMultiple<Customer, Order>(c => c.Id == customerId, o => o.CustomerId = customerId);
     
     // Get each item from the Tuple
     var customer = tuple.Item1.FirstOrDefault();
     var orders = tuple.Item2.ToList();
}