title: asp.net/C# control - store value from previous page load
body: <ul>
  <li>control (eg label) changes value when page loads. </li>
  <li>before page load,  label value is "x" </li>
  <li>proceed to load page naturally x is lost at this    point, so what is a simple way to store the value from the previous page
  load?</li>
  </ul>