title: allowing users to download files from azure blob storage as single zip file
body: <p>I have multipl files in my blob storage. Also I have a azure database table which stores url which points to actual individual files in blob storage .
  On my webform user can specify search criteria.Then it will search for files that match the search condition and show a single link to download matching files all  as a single zip file.
  I have my search results returned as a list. for example<br>
  List searchresults </p>
  
  <p>This search result will contain multiple urls
   eg.,searchresults.url ="https://myblobstorage.blob.windows.net\xyz\mymusic.mp3"</p>
  
  <p>if there are matching records ,it will show a single download link on the page,so that the user can click on the link and download the the matching files together as as single  zip file.</p>
  
  <p>I am able generate the searchresultsList with the required file urls pointing to the files in my azure blob container. </p>
  
  <p><strong>Now my Question</strong> 
  <strong>Is there a way I can generate a zip file by looping through the searchresultsList and grabbing files from blob and generate a single zip file for the user to download them?</strong> Give me your suggestions or some sample code to achieve this functionality.</p>
  
  <p>When the user clicks on the link, it should go and fetch all the files from corresponding urls from the search results list and generate a single zip file and download to the users machine</p>