C# with azure storage getting exception when using DeleteIfExists()

Question

I get an exception when using the method DeleteIfExists from the CloudBlockBlob class.

This is my code:

CloudBlobClient blobClient = this._storageAccount.CreateCloudBlobClient();

            directory = directory.ToLower();

            string containerDirectory = this.GetContainer(directory);
            string relativePathWithoutContainer = this.GetRelativePathWithoutContainer(directory);

            CloudBlobContainer container = blobClient.GetContainerReference(containerDirectory);
            container.CreateIfNotExist();
            container.SetPermissions(new BlobContainerPermissions() { PublicAccess = BlobContainerPublicAccessType.Blob });

            foreach (HttpPostedFileBase file in files)
            {
                CloudBlockBlob blob = container.GetBlockBlobReference(string.Format("{0}/{1}", relativePathWithoutContainer, file.FileName.ToLower()));
                blob.DeleteIfExists();
                blob.UploadFromStream(file.InputStream,new BlobRequestOptions());
            }

            return true;

I get the exception at the line:

blob.DeleteIfExists();

The details of the exception are:

Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.

Nabs · Accepted Answer · 2013-01-13 06:33:53Z

2

Got an example from here try to add these and see if it works

// Delete the blob if it already exists, also deleting any snapshots.

BlobRequestOptions options = new BlobRequestOptions();

options.DeleteSnapshotsOption = DeleteSnapshotsOption.IncludeSnapshots;

blob.DeleteIfExists(options);

answered Jan 13, 2013 at 6:33

Nabs

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