public string UploadFiletoBlobStorage() { try { BlobRequestOptions optionsWithRetryPolicy = new BlobRequestOptions() { ParallelOperationThreadCount = 1, DisableContentMD5Validation = true, StoreBlobContentMD5 = false }; CloudBlobContainer containerReference = new CloudStorageAccount(new StorageCredentials(AccountName, AccountKey), true).CreateCloudBlobClient().GetContainerReference(ContainerName); containerReference.CreateIfNotExists((BlobRequestOptions)null, (OperationContext)null); CloudBlockBlob cloudBlockBlob = (CloudBlockBlob)null; if (string.IsNullOrEmpty(FolderName) && string.IsNullOrEmpty(SubFolderName)) { cloudBlockBlob = containerReference.GetBlockBlobReference(BlobFileName); } if (!string.IsNullOrEmpty(FolderName) && string.IsNullOrEmpty(SubFolderName)) { cloudBlockBlob = containerReference.GetBlockBlobReference(FolderName + "/" + BlobFileName); } if (!string.IsNullOrEmpty(FolderName) && !string.IsNullOrEmpty(SubFolderName)) { cloudBlockBlob = containerReference.GetBlockBlobReference(FolderName + "/" + SubFolderName + "/" + BlobFileName); } if (isStream) { Stream blobFile = BlobFile; if (EncryptBlob) { cloudBlockBlob.UploadFromStream(blobFile, blobFile.Length, (AccessCondition)null, BlobOptions, (OperationContext)null); } else { cloudBlockBlob.UploadFromStream(blobFile, blobFile.Length, (AccessCondition)null, (BlobRequestOptions)optionsWithRetryPolicy, (OperationContext)null); } } else { Stream source = (Stream)File.OpenRead(Filepath); if (EncryptBlob) { cloudBlockBlob.UploadFromStream(source, source.Length, (AccessCondition)null, BlobOptions, (OperationContext)null); } else { cloudBlockBlob.UploadFromStream(source, source.Length, (AccessCondition)null, (BlobRequestOptions)null, (OperationContext)null); } } return("Success"); } catch (Exception ex) { Console.WriteLine(ex.Message + ex.StackTrace); return("Failed;Reason" + ex.Message); } }