title: How to upload and download data on server in iphone(ios)
body: <p>I am working on application called "Messanger".</p>
  
  <p>My task is to upload and download data from and to a server ..
  I am new to this, so I don't know how to do it.</p>
  
  <ol>
  <li>I want to share data with server (upload)</li>
  <li>I want to get data from server (download) </li>
  </ol>
  
  <p>Can anyone help me with this ??
  I need code for this.</p>
  
  <p>Thanks in Advance ..</p>