When the dialog element is initialized, it's moved to the end of the body,
to get around IE stacking issues. Subsequently, your selector

$(this).eq(0).parent().find('.dialogClass')

isn't finding any elements. You could just do

$('.dialogClass').dialog('open')

but I'll assume that since you're using a class, you have more than one. So
you need an association between each moreinfo element and its dialog.
Something like this:

$(".MoreInfo").each(function() {
  // find dialog
  var dlg = $(this).parent().find(".dialogClass");
  // store reference
  $(this).data("dialog", dlg);
  // init dialog
  dlg.dialog({
    autoOpen: false,
    resizable: false,
    draggable: false,
    position: 'top',
    modal: true
  });
}).click(function() {
  $(this).data("dialog").dialog("open");
});

or you could use a closure:

$(".MoreInfo").each(function() {
  // find dialog
  var dlg = $(this).parent().find(".dialogClass").dialog({
    autoOpen: false,
    resizable: false,
    draggable: false,
    position: 'top',
    modal: true
  });
  $(this).click(function() {
    dlg.dialog('open');
  });
});

Neither tested, but should give you a starting point.

- Richard

On Fri, Apr 10, 2009 at 3:38 AM, Karlos <[email protected]> wrote:

>
> Thanks Dave, it is working, but of course i can open the dialog only
> once. If i try to initialize it first
>
>  $(".dialogClass'").dialog({ autoOpen: false,
>        resizable: false,
>        draggable: false,
>             position: top,
>        modal: true,
>          });
> and than to open it, it is not working again:
>    $(".MoreInfo").click(function() {
>                $(this).eq(0).parent().find('.dialogClass').dialog
> ('open');
>    });
> Where am I doing wrong?
>
> Karlos
> >
>

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