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I am looking for a way to change the option value from a Asp ListItem control when users click on a link.
For example I have a Asp ListItem control:
<asp:DropDownList ID="DropDownList1" runat="server" class="Preview_link"
    Height="20px" Width="118px">
And I have 2 links
<a href="#" title="red" class="preview_link">red</a> <a href="#" title="white">white</a>
When user clicks red the option will switch to red and white will switch to white. I am using the following code but it is not working.
How would I go about changing this jquery to work with a Asp listItem control instead of a <select>/<option>?
<pre lang="cs">jQuery("a.preview_link").click(function() {
var title = jQuery(this).attr("title");
jQuery(this).parent('p').find("select option").filter(function() {
    return $(this).text() == title;
}).attr('selected', 'selected');  });</pre>
Posted 3-Sep-12 5:35am

1 solution

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Solution 1

Hi there,
I can spot three problems that might be stopping this working. One is capitalisation and another is not trimming - both might stop your comparison. The other is not deselecting the currently selected option. The JavaScript should probably be as follows: (I have changed jQuery to the recommended/proper use of $ and changed == to recommended use of ===)
    var dropDownListItems = $(this).parent('p').find("select option");
    var title = $(this).attr("title").trim().toLowerCase();
                         return $(this).text().trim().toLowerCase() === title;
                     .attr("selected", "selected");
Hope this works/helps,

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