title: What is different between HttpCacheability.NoCache and Response.CacheControl = "no-cache"?
body: <p>what is the different between the two lines below? :</p>
  
  <pre><code>Response.Cache.SetCacheability(HttpCacheability.NoCache);
  </code></pre>
  
  <p>and</p>
  
  <pre><code> Response.CacheControl = "no-cache";
  </code></pre>