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POjquery validation add inputs required dynamically
 

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  1. POjquery validation add inputs required dynamically
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    <p>I am currently using the <a href="http://jqueryvalidation.org/">bassistance jquery validation</a> or the jqueryvalidation plugin(they renamed it) and I have it validating a form like so:</p> <pre><code>if($.fn.validate) { $("#frmNewOrder").validate({ rules: { txtAmount: { required: true, digits: true }, ddlAccount: { required: true }, ddlBank: { required: true } } }); } </code></pre> <p>Now depending on the amount I need to require or not an extra field a dropdownlist and depending on that dropdownlist another text input. so it's like:</p> <pre><code> if($('#txtAmount').val() &gt;= 10000){ //add ddlReason required } if($('#ddlReason').val() == 'o'){ //add txtReason required } </code></pre> <p>I've tried adding the css class 'required' like the other fields but I take it if they are not inside the rules then it doesn't work? I've tried adding rules like this:</p> <pre><code> $( "#ddlReason" ).rules( "add", { required: true}); </code></pre> <p>and that doesn't work either. any suggestions?</p> <p>EDIT: Here's the <a href="http://asantillan.com/jquery.validate.js">link</a> to the jquery validate that I'm using. if I used rules outside it gives this error: </p> <pre><code>Uncaught TypeError: Cannot read property 'settings' of undefined </code></pre> <p>on line 124:</p> <pre><code>var settings = $.data(element.form, 'validator').settings; </code></pre> <p>and using the suggestions I've seen in other places i've done this which is what causes the error:</p> <pre><code>var defaultrules = { txtAmount: { required: true, digits: true } } if($.fn.validate) { $("#frmNewOrder").validate(); addRules(defaultrules); } </code></pre> <p>EDIT 2: here's the html markup, hope it helps.</p> <pre><code>&lt;form id="frmNewOrder" name="frmNewOrder" action="" method="post"&gt; &lt;label&gt;Amount&lt;/label&gt; &lt;input type="text" name="txtAmount" id="txtAmount" class="required" /&gt; &lt;button id="calculate" type="button"&gt;Calculate&lt;/button&gt; &lt;div id="dvreason" style="display:none;"&gt; &lt;select id="ddlReason" name="ddlReason"&gt; &lt;option&gt;&lt;/option&gt; &lt;option value="i"&gt;Option 1&lt;/option&gt; &lt;option value="o"&gt;Other&lt;/option&gt; &lt;/select&gt; &lt;div id="dvother" style="display:none"&gt; &lt;label&gt;Other reason&lt;/label&gt; &lt;input type="text" name="txtOther" id="txtOther" /&gt; &lt;/div&gt; &lt;/div&gt; &lt;input type="submit" name="send" id="send" value="Send" /&gt; &lt;/form&gt; </code></pre>
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    1. USAndres
    1. USAndres
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    1. COCan you post some HTML with the JS in context? Maybe put it in a [jsfiddle](http://jsfiddle.net)
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      1. USSébastien
    2. COI am having a hard time adding the validate on jsfiddle lol if I can figure it out I'll post it
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      1. USAndres
    3. CONo, you can certainly use `class="required"` or `.rules('add')` instead of within `rules` declaration in `.validate()`. There must be something else wrong with your code. Show enough code for constructing a working demo. All relevant jQuery and HTML.
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      1. USSparky
 

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