window scroll position

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  • Wayne Sepega
    #1

    window scroll position

    Ultimately what I need is a way to remember the scroll position of the form
    on a post back. I have a button that posts back to the current form and if
    there are no errors the form is reproduced, I want to scroll back to where
    the user was when they clicked on the button.

    I have an ASPX page with the following doc type:

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd" >

    I'm not a 100% sure what all the above means, though I do know (from help
    with a co-worker) that it determines how the document is generated on the
    client side. I have to leave the doc type that way for our standards, but
    still need to do the following.

    I have the following JAVASCRIPT in the same page:

    alert("You've scrolled to " + document.body.s crollTop + " pixels.");

    With the doctype tag I always receive 0 for the value, but if I remove the
    doctype tag or set it to a different type, I receive the correct value. Is
    there an equivalent of scrollTop in the above doc type?

    Any help or points in the right direction are appreciated.
    Thanks
    Wayne


    Tags: None
    • Wayne Sepega
      #2
      Re: window scroll position

      I had tried SmartNavigation (replaced with MaintainScrollP ositionOnPostba ck)
      before, but for some reason it to does not work. I have a GridView on my
      form that is tied to a large dataset (large in 30 or so rows), there are
      buttons that are dynamically created and when pressed call a javascript
      function. which looks like:

      function confirmIt(url)
      {
      location.href = url;
      }

      Which now that I think about it, looks more like a redirect then a postback.
      This could be why the above doesn't work for me.

      I did however find the following on the web:

      JavaScript tutorial - Window size and scrolling
      http://www.howtocreate.co.uk/tutorials/javascript/browserwindow


      Last of the sample code shows hot to get the x, y of the scroll and then I
      also found

      Welcome!
      http://www.devhood.com/messages/message_view-2.aspx?thread_id=104625


      Which had:

      window.scrollTo (x, y);

      This does the trick for me, for now. As I learn more and probably realize
      what is wrong with my location.href I'll work on correcting it so I can use
      the default property.

      Thanks
      Wayne



      "Steven" <Steven@discuss ions.microsoft. com> wrote in message
      news:B47810AF-1B49-4266-88C4-580E9C19BC39@mi crosoft.com...[color=blue]
      > If the users are using IE 5+ then set the DOCUMENT property of
      > 'smartNavigatio n' to true.
      >
      > "Wayne Sepega" wrote:
      >[color=green]
      >> Ultimately what I need is a way to remember the scroll position of the
      >> form
      >> on a post back. I have a button that posts back to the current form and
      >> if
      >> there are no errors the form is reproduced, I want to scroll back to
      >> where
      >> the user was when they clicked on the button.
      >>
      >> I have an ASPX page with the following doc type:
      >>
      >> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
      >> "http://www.w3.org/TR/html4/loose.dtd" >
      >>
      >> I'm not a 100% sure what all the above means, though I do know (from help
      >> with a co-worker) that it determines how the document is generated on the
      >> client side. I have to leave the doc type that way for our standards, but
      >> still need to do the following.
      >>
      >> I have the following JAVASCRIPT in the same page:
      >>
      >> alert("You've scrolled to " + document.body.s crollTop + " pixels.");
      >>
      >> With the doctype tag I always receive 0 for the value, but if I remove
      >> the
      >> doctype tag or set it to a different type, I receive the correct value.
      >> Is
      >> there an equivalent of scrollTop in the above doc type?
      >>
      >> Any help or points in the right direction are appreciated.
      >> Thanks
      >> Wayne
      >>
      >>
      >>[/color][/color]


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