如何保持整个页面的滚动位置异步回发后 [英] How to keep whole page scroll position after asynchronous postback

问题描述

我使用asp.net 4.0 IIS 7.5的微软的Visual Studio 2010

i am using asp.net 4.0 iis 7.5 microsoft visual studio 2010

我要的是保持整个页面（浏览器）滚动位置（而不是一个div或面板），当异步回发发生（更新面板）

what i want is keep whole page (browser) scroll position (not a div or panel) when asynchronous postback happened (update panel)

我怎么能做到这一点。

其实我有，可保持DIV的滚动条位置这样的回传后的函数

actually i had a function which can keep div scroll bar position after postback like this

       <script type="text/javascript">
        var xPos, yPos;
        var prm = Sys.WebForms.PageRequestManager.getInstance();
        prm.add_beginRequest(BeginRequestHandler);
        prm.add_endRequest(EndRequestHandler);
        function BeginRequestHandler(sender, args) {
            xPos = document.getElementById('Main').scrollLeft;
            yPos = document.getElementById('Main').scrollTop;
        }
        function EndRequestHandler(sender, args) {
            document.getElementById('Main').scrollLeft = xPos;
            document.getElementById('Main').scrollTop = yPos;
        }
    </script>

BU我找不到浏览器滚动条的ID来获得其价值得到通过document.getElementById

bu i could not find browser scroll bar id to get its values to get with document.getElementById

感谢答案

推荐答案

asp.net呼吁 @Page指令属性<一个href=\"http://msdn.microsoft.com/en-us/library/system.web.ui.page.maintainscrollpositiononpostback.aspx\"相对=nofollow> MaintainScrollPositionOnPostBack

asp.net has @page directive property called MaintainScrollPositionOnPostBack

希望这将有助于

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