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POcheckbox won't enable/disable until control loses focus
 

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    <p>I’m working on an ASP.net page that displays a datagrid with a checkbox and a dropdownlist in each row. To continue on to the next step, each row must either have a check or an option selected, but never both.</p> <p>I am attempting to disable the dropdownlist if the checkbox is checked, and to disable the checkbox if any option except “Select a Reason” is selected. I’m trying to do everything client side, using jquery 1.4 (I know its old, but that’s the UI leads decision). </p> <p><strong>My code works fine in Chrome and IE8, but when I use Firefox 16 the checkbox does not disable upon selection change, until the user clicks outside the grid. Then the box disables. I want to get rid of the extra click.</strong></p> <p>Here is the grid markup:</p> <pre><code>&lt;asp:GridView ID="gvApps" runat="server" CssClass="sGrid" HorizontalAlign="Center" AutoGenerateColumns="False" EmptyDataText="No Data" PageSize="3" ShowHeaderWhenEmpty="True" &gt; &lt;Columns&gt; &lt;asp:TemplateField HeaderText="Select"&gt; &lt;itemtemplate&gt; &lt;asp:checkbox id = "gvCheckbox" runat="server" onclick="RowCheckChanged(this)" /&gt; &lt;/itemtemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:BoundField datafield="FiscalYear" HeaderText="Year" /&gt; &lt;asp:TemplateField HeaderText="Reason"&gt; &lt;itemtemplate&gt; &lt;asp:DropDownList id = "ddlReason" Viewstate="true" DataSource="&lt;%# ReasonsList %&gt;" runat="server" /&gt; &lt;/itemtemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; &lt;emptydatatemplate&gt; &lt;p class="norecords"&gt;There are currently no Records &lt;/p&gt; &lt;/emptydatatemplate&gt; &lt;/asp:GridView&gt; </code></pre> <p>Here is my OnReady:</p> <pre><code> &lt;script type="text/javascript"&gt; $(function () { $("select").change(function () { $(IndexChanged(this)); }); }) &lt;/script&gt; </code></pre> <p>Here are the IndexChanged and RowCheckChanged functions:</p> <pre><code>&lt;script type="text/javascript"&gt; function RowCheckChanged(objRef) { var row = objRef.parentNode.parentNode; if (objRef.checked) { $(row).find("select").attr("selectedIndex", 0); $(row).find("select")[0].disabled = true; } else { $(row).find("select")[0].disabled = false; } } function IndexChanged(objRef) { //toggle chkb enabled-ness var row = objRef.parentNode.parentNode; if ($(row).find("select option:selected").text() == "Select a Reason") { //both objects should be enabled $(row).find(":checkbox").attr("disabled", false); } else { //a selection has been made, disable checkbox. $(row).find(":checkbox").attr("disabled", true); } } &lt;/script&gt; </code></pre> <p>Any Ideas?</p> <p>Edit: here is the markup generated by the grid client side (per firebug):</p> <pre><code>&lt;select id="MainContent_wiz_IntraAppYears1_gvApps_ddlReason_0" viewstate="true" name="ctl00$MainContent$wiz$IntraAppYears1$gvApps$ctl02$ddlReason" disabled=""&gt; &lt;option value="Select a Reason" selected="selected"&gt;Select a Reason&lt;/option&gt; &lt;option value="Tax Exempt"&gt;Tax Exempt&lt;/option&gt; &lt;option value="Out of Business"&gt;Out of Business&lt;/option&gt; &lt;option value="Worked under Another Authority"&gt;Worked under Another Authority&lt;/option&gt; &lt;/select&gt; </code></pre>
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