// Create a client
AmazonS3Client client = new AmazonS3Client();

// Create a DeleteObject request
DeleteObjectsRequest request = new DeleteObjectsRequest
{
    BucketName = "SampleBucket",
    Keys = new List<KeyVersion>
    {
        new KeyVersion("Item1"),
        // Versioned item
        new KeyVersion("Item2", "Rej8CiBxcZKVK81cLr39j27Y5FVXghDK"),
        // Item in subdirectory
        new KeyVersion("Logs/error.txt")
    }
};

try
{
    // Issue request
    DeleteObjectsResponse response = client.DeleteObjects(request);
}
catch (DeleteObjectsException doe)
{
    // Catch error and list error details
    DeleteObjectsErrorResponse errorResponse = doe.ErrorResponse;

    foreach (DeletedObject deletedObject in errorResponse.DeletedObjects)
    {
        Console.WriteLine("Deleted item " + deletedObject.Key);
    }
    foreach (DeleteError deleteError in errorResponse.DeleteErrors)
    {
        Console.WriteLine("Error deleting item " + deleteError.Key);
        Console.WriteLine(" Code - " + deleteError.Code);
        Console.WriteLine(" Message - " + deleteError.Message);
    }
}