ajax timer scrollbar

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Hello
I have a multiline textbox with horizontal scroll bar.
And have a timer that will get data from database every 3 seconds, my problem is: every time the timer get data from database the position of the scrollbar will be moved, What Can I Do?,
I would be gratitude answer me

Posted 10-Mar-12 3:01am

SinaNadi

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Ganesan Senthilvel · Accepted Answer · 2012-03-10T03:15:00

Solution 1

Try the declaratively setting MaintainScrollPositionOnPostBack property on your page as:

ASP.NET

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs"     Inherits="test" MaintainScrollPositionOnPostback="true" %>

Posted 10-Mar-12 3:15am

Ganesan Senthilvel

v2

Ganesan Senthilvel · Accepted Answer · 2012-03-10T03:19:00

As an alternative, place the following script after the ScriptManager on your page. And since the _endRequest event of the PageRequestManager happens before the page is rendered, you’ll never even see your item move.

XML

<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 = $get('scrollDiv').scrollLeft;
        yPos = $get('scrollDiv').scrollTop;
    }
    function EndRequestHandler(sender, args) {
        $get('scrollDiv').scrollLeft = xPos;
        $get('scrollDiv').scrollTop = yPos;
    }
</script>