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Rails Forum - Ruby on Rails Help and Discussion Forum » XHTML/CSS/JavaScript » Selected item in a select box
I suspect this is a browser issue rather than a rails issue. I'm creating a select tag in rails and it's correctly putting
selected="selected"
Does more than one menu item have the selected attribute?
Please paste the HTML output for the select menu here too.
I've actually changed the code to use a multi-select box now! But no, only one menu item had the selected attribute. I may have been using the select box elsewhere but it's hometime now so I'll check tomorrow.
Thanks.
I have a multi select where more than one items can be set to selected="selected".
Looks like the following:
<%= select_tag 'some_name[]',
options_for_select( [["foo", "1"], ["bar", "2"]], [1, 2] ),
{ :class => 'some-css', :multiple => true } %>
So you are right, it's more a browser issue :-) having browser compatibility issues can be a pain in the a...
EDIT: just adjusted the code. Made 2 little mistakes as I wrote it out of my head. First, to select multiple items you need an array ("some_name[]", not just "some_name"). Secondly, since this build upon a regular select box, you need to assign a class to it that defines the width and height - otherwise it'll just be displayed as regular select box with 1 single line.
Last edited by rudionrails (2007-03-13 07:13:08)
I hear you, I hate browser incompatibility issues.
Can you post the HTML that is generated? That way I can test it out.
The generated HTML is:
<select class="some-css" multiple="multiple" name="some_name[]">
<option value="1" selected="selected">foo</option>
<option value="2" selected="selected">bar</option>
</select>
And like I said, the selected highlighting works in most browsers, but unfortunately not Firefox. From a professional perspective, however, it's fine as long as it works in IE6 and 7 as most of the users still use IE6. I can hear the voices now shouting about browser intercompatibility, but the majority of our clients just know enough to turn their PC on - people working in the field probably know what I am talking about 
I tried pasting that HTML in a static HTML file and opening it in Firefox. It's working for me (selecting both options). I recommend you do the same to make sure your firefox is working properly.
Do you have anything else on that page which may be conflicting with this? Any javascript perhaps?
Yes, you are right. It does work when you copy and paste the HTML. I does not, however, when you use the Rails code, although the source HTML is identical.
Does Rails renders the page differently that may cause this error? Would be cool if there's a solution to this.
Weird. It may have something to do with the HTTP headers which are sent back. But I don't see how that would affect the select box.
Try validating the page to make sure there's no obvious problems (tags left open, etc.). But even then I imagine it would behave the same whether you paste the HTML directly or it is returned from a Rails site.
I've really exchanged the code to use a multi-select box now! But no, just one menu item had the picked out attribute.
I know this is an old post, but perhaps it will help someone to know:
Firefox likes to retain select box values even on page reloads. If you +shift reload (a non cached refresh) the page will load up as new and
As per my opinion, you have to set property like selected index for application.
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