Upload a nested file to azure blob storage

NestedFile1.cs

// ...setup container

var file = container.GetBlockBlobReference("directory/nested_file");
using (var stream = new MemoryStream(File.ReadAllBytes("path_del_file")))
{
    stream.Seek(0, SeekOrigin.Begin);
    file.UploadFromStream(stream);
    stream.Close();
}