public string CompletePartToCloud()
{
// Step 3: complete.
CompleteMultipartUploadRequest compRequest = new CompleteMultipartUploadRequest();
compRequest.BucketName = this.DestinationBucket;
compRequest.Key = this.DestinationFilename;
compRequest.UploadId = initResponse.UploadId;
compRequest.PartETags = uploadPartETags;
string r = "Something went badly wrong";
using (CompleteMultipartUploadResponse completeUploadResponse = client.CompleteMultipartUpload(compRequest))
r = completeUploadResponse.ResponseXml;
return(r);
}