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HomeHomeDotNetNuke Forg...DotNetNuke Forg...Provider and Extension ForumsProvider and Extension ForumsClientAPIClientAPIUsing the ScrollTop property?Using the ScrollTop property?
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5/24/2006 9:27 PM
 
User is offline Michael Levy

www.wildvoice.com
Joined: 6/5/2005
Posts: 120

We made some minor changes to Default.aspx and dnncore.js that seem to improve the cross browser support for preserving scroll position when not in Quirks mode.

In default.aspx:

    REMOVED: 
        <body onscroll="__dnn_bodyscroll()">

In dnncore.js:

    CHANGED (in __dnn_bodyscroll):
        function __dnn_bodyscroll() { ...
    to
        window.onscroll = function __dnn_bodyscroll() { ...

    CHANGED (in __dnn_bodyscroll):
        oF.ScrollTop.value=dnn.dom.getByTagName("body")[0].scrollTop;
    to
        oF.ScrollTop.value=document.documentElement.scrollTop ? 
        document.documentElement.scrollTop : 
        dnn.dom.getByTagName("body")[0].scrollTop;

    CHANGED (in __dnn_setScrollTop):
        dnn.dom.getByTagName("body")[0].scrollTop = iTop;
    to
        window.scrollTo(0, iTop);

 

WildVoice.com Michael Levy - Are you ready to be heard? WildVoice.com
 
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4/26/2007 2:10 PM
 
User is offline David O'Leary


www.efficionconsulting.com
Joined: 7/6/2003
Posts: 279

For me, the module is maintaining scroll position when it shouldn't be. I have a fairly long form with validators near the top. Ideally, if one of the validators fails, it should get the focus... but with the way it's implemented, it keeps scrolling back to the bottom of the form and users might miss the errors. So, how do I go about overriding this?

I've tried adding these to page_load and while the page is extra jumpy now, it still ends up at the bottom.

            cmdSubmit.Attributes.Add("onclick", "__dnn_setScrollTop('0');")
            Me.Attributes.Add("onload", "__dnn_setScrollTop('0');")

David O'Leary
Efficion Consulting
 
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12/14/2007 2:54 PM
 
User is offline Risdall Marketing Group


Joined: 1/31/2007
Posts: 14

I guess I hadn't came accross this before, probably just never made a "tall" module until now.

Here is how I fixed it, somewhat of a sledgehammer technique.  Just add the following lines to the page load of whatever module you need to scroll to the top:

HtmlInputHidden hdnTop = (HtmlInputHidden)this.Page.FindControl("ScrollTop");
hdnTop.Value = "0";

Worked for me.

Edit:  Note, this is c# not vb.net.
 
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4/30/2009 1:38 AM
 
User is offline Mark Chambers


Joined: 12/6/2005
Posts: 29

I have a custom module that has a multview control on it, when users click forward and back buttons on a view they go the corresponding view but their scroll position is maintained which is not what I want.  I want them to be taken to the top of the new page. 

I have found a way to stop this by doing something similar to my Default.aspx.vb code.  I set the Scrolltop.Value to 0. 

However if I was wondering if there is a better way of doing this.  Maybe I can set something in my module code?
 
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5/1/2009 9:00 AM
 
User is offline Jon Henning

Jon Henning's Avatar

www.codeendeavors.com
Joined: 3/20/2003
Posts: 1767

This is how it should work.  Not sure what version of DNN it got moved into the library project.
 
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