maintain scroll position on postback asp.net OR maintain scroll position on postback using jquery OR JavaScript

In this post i will show how to maintain scroll position in asp.net page.

Actually MaintainScrollPositionOnPostback="true" is not working So,

below is the script to maintain scroll position.....


Script For Maintaining ScrollPosition on PostBack

    <script type="text/javascript">
        window.onload = function () {
            var scrollY = parseInt('<%=Request.Form["scrollY"] %>');
            if (!isNaN(scrollY)) {
                window.scrollTo(0, scrollY);
            }
        };
        window.onscroll = function () {
            var scrollY = document.body.scrollTop;
            if (scrollY == 0) {
                if (window.pageYOffset) {
                    scrollY = window.pageYOffset;
                }
                else {
                    scrollY = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
                }
            }
            if (scrollY > 0) {
                var input = document.getElementById("scrollY");
                if (input == null) {
                    input = document.createElement("input");
                    input.setAttribute("type", "hidden");
                    input.setAttribute("id", "scrollY");
                    input.setAttribute("name", "scrollY");
                    document.forms[0].appendChild(input);
                }
                input.value = scrollY;
            }
        };
    </script>