setu1421

//Step 3: build and send the multipart complete request
if (lastPart)
{
    eTags.Add(new PartETag
    {
        PartNumber = partNumber,
        ETag = uploadResponse.ETag
    });

    var completeRequest = new CompleteMultipartUploadRequest

setu1421

//Step 2: upload each chunk (this will run for every chunk unlike the other steps which are run once)
var uploadRequest = new UploadPartRequest
{
    BucketName = bucketName,
    Key = fileName,
    UploadId = uploadId,
    PartNumber = partNumber,
    InputStream = ms,
    IsLastPart = lastPart,
    PartSize = ms.Length

setu1421

//Step 1: build and send a multi upload request
if (chunkIndex == 0)
{
    var initiateRequest = new InitiateMultipartUploadRequest
    {
        BucketName = bucketName,
        Key = fileName
    };

    var initResponse = _s3Client.InitiateMultipartUpload(initiateRequest);

setu1421

    public class UploadUtilityHelper
    {
        private readonly string bucketName = ConfigurationManager.AppSettings["BucketName"];
        private static readonly RegionEndpoint bucketRegion = RegionEndpoint.USEast1;
 
        public string UploadChunk(string fileName, string uploadId, int chunkIndex, int chunkMax, Stream stream, string prevETags)
        {
            var response = "";

            try