title: How to create dynamic progress bar on asynchronous post back in asp.net (Not gif image)?
body: <p>How can I show a dynamic progress bar on my asp.net page on asynchronous post back. My code takes lot of time so I want to show percentage on that progress bar like following</p>
  
  <p><a href="https://i.stack.imgur.com/BYm8H.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BYm8H.png" alt="enter image description here"></a></p>
  
  <p>I googled this but I found code that can show only gif image. Please suggest me.</p>