Scroll Lock and Unlock in JavaScript / Jquery

Scrolling in JavaScript/Jquery : 

Scroll Lock in Any Control :

It will Lock at particular Position of Window.

  <script>

     $(document).ready(function () {  

           $(window).scroll(function scroll() { 

                  window.scrollTo(0, 200); 

           });

     });

</script>

or $(window).on();

In C# Source Code put this One :

 ScriptManager.RegisterStartupScript(Page, GetType(), "scroll", "<script> $(document).ready(function () {   $(window).scroll(function scroll() { window.scrollTo(0, 200); }); });</script>", false);

Scroll UNLock in Any Control :

   $(window).off('scroll');

In C# Source Code put this One :

 ScriptManager.RegisterStartupScript(Page, GetType(), "scroll", "<script> $(document).ready(function () {    $(window).off('scroll'); });</script>", false);