Tag: Microsoft Dynamics CRM

  private static void UploadFile(CrmServiceClient svc, string entityName, Guid recordGuid,
           string fileAttributeName, string filePath, string fileName)
        {
            // get the file content in byte array
            var fileContentByteArray = File.ReadAllBytes(filePath);

            var initializeFileBlocksUploadRequest = new InitializeFileBlocksUploadRequest()
            {
                Target = new EntityReference(entityName, recordGuid),
                FileAttributeName = fileAttributeName,
                FileName = fileName
            };

            var initializeFileBlocksUploadResponse = (InitializeFileBlocksUploadResponse)
                svc.Execute(initializeFileBlocksUploadRequest);

            // to store different block id in case of chunking           
            var lstBlock = new List<string>();         

            // 4194304 = 4 MB
            for (int i = 0; i < fileContentByteArray.Length / 4194304  ; i++)
            {
                var blockId = Convert.ToBase64String(Encoding.UTF8.GetBytes(Guid.NewGuid().ToString()));
                lstBlock.Add(blockId);
                
                var uploadBlockRequest = new UploadBlockRequest()
                {
                    BlockId = blockId,
                    BlockData = fileContentByteArray.Skip(i * 4194304).Take(4194304).ToArray(),
                    FileContinuationToken = initializeFileBlocksUploadResponse.FileContinuationToken
                };

                var uploadBlockResponse = (UploadBlockResponse)svc.Execute(uploadBlockRequest);
            }

            var commitFileBlocksUploadRequest = new CommitFileBlocksUploadRequest
            {
                FileContinuationToken = initializeFileBlocksUploadResponse.FileContinuationToken,
                FileName = fileName,
                MimeType = System.Web.MimeMapping.GetMimeMapping(fileName),
                BlockList = lstBlock.ToArray()

            };

            var commitFileBlocksUploadResponse = (CommitFileBlocksUploadResponse)svc.Execute(commitFileBlocksUploadRequest);
        }