Setting and Retrieving metadata of blob in Azure Blob Storage

Question

This link mentions about storing and retrieving metadata at container level. I was just wondering if its possible to set and retrieve metadata about a blob stored in a directory inside that container?

Gaurav Mantri · Accepted Answer · 2017-12-01 15:38:09Z

1

I was just wondering if its possible to set and retrieve metadata about a blob stored in a directory inside that container?

Yes, you can certainly do so. Please see the sample code below:

        const string ConnectionString = "DefaultEndpointsProtocol=https;AccountName=account-name;AccountKey=account-key";
        CloudStorageAccount storageAccount = CloudStorageAccount.Parse(ConnectionString);

        //Create the service client object for credentialed access to the Blob service.
        CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();

        // Retrieve a reference to a container.
        CloudBlobContainer container = blobClient.GetContainerReference("mycontainer");

        CloudBlockBlob blob = container.GetBlockBlobReference("images/logo.png");
        blob.FetchAttributes();//Gets the properties & metadata for the blob.
        blob.Metadata.Add("Key", "Value");
        blob.SetMetadata();//Saves the metadata.

edited Dec 1, 2017 at 15:38

answered Dec 1, 2017 at 15:30

Gaurav Mantri

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2 Comments

blue piranha Over a year ago

Thanks! I am glad I checked this post again coz I was disheartened when you initially said that it was not possible.

Gaurav Mantri Over a year ago

Sorry....my bad! I read the post incorrectly. I thought you wanted to set metadata on the folder. Once I reread the question, I realized my mistake and edited my answer. Sorry about that!

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