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POYii Many_Many Relationship and Form
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  1. POYii Many_Many Relationship and Form
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    copied!<pre><code>// Post model return array( 'categories' =&gt; array(self::MANY_MANY, 'Category', 'categories_posts(post_id, category_id)') ); </code></pre> <p>I already have the setup of tables</p> <pre><code>posts id, title, content categories id, name categories_posts post_id, category_i </code></pre> <p>The problem I have is that I am getting an error when creating this form:</p> <pre><code>&lt;?php $form=$this-&gt;beginWidget('CActiveForm', array( 'id'=&gt;'post-form', 'enableAjaxValidation'=&gt;false, )); ?&gt; &lt;p class="note"&gt;Fields with &lt;span class="required"&gt;*&lt;/span&gt; are required.&lt;/p&gt; &lt;?php echo $form-&gt;errorSummary($model); ?&gt; &lt;div class="row"&gt; &lt;?php echo $form-&gt;labelEx($model,'title'); ?&gt; &lt;?php echo $form-&gt;textField($model,'title',array('size'=&gt;60,'maxlength'=&gt;255)); ?&gt; &lt;?php echo $form-&gt;error($model,'title'); ?&gt; &lt;/div&gt; &lt;div class="row"&gt; &lt;?php echo $form-&gt;labelEx($model,'uri'); ?&gt; &lt;?php echo $form-&gt;textField($model,'uri',array('size'=&gt;60,'maxlength'=&gt;255)); ?&gt; &lt;?php echo $form-&gt;error($model,'uri'); ?&gt; &lt;/div&gt; &lt;div class="row"&gt; &lt;?php echo $form-&gt;labelEx($model,'content'); ?&gt; &lt;?php echo $form-&gt;textArea($model,'content',array('rows'=&gt;6, 'cols'=&gt;50)); ?&gt; &lt;?php echo $form-&gt;error($model,'content'); ?&gt; &lt;/div&gt; &lt;div class="row"&gt; &lt;?php // echo $form-&gt;labelEx($model,'content'); ?&gt; &lt;?php echo CHtml::activeDropDownList($model,'category_id', CHtml::listData(Category::model()-&gt;findAll(), 'id', 'name')); ?&gt; &lt;?php // echo $form-&gt;error($model,'content'); ?&gt; &lt;/div&gt; &lt;div class="row buttons"&gt; &lt;?php echo CHtml::submitButton($model-&gt;isNewRecord ? 'Create' : 'Save'); ?&gt; &lt;/div&gt; &lt;?php $this-&gt;endWidget(); ?&gt; </code></pre> <p>The error is:</p> <pre><code>Property "Post.category_id" is not defined. </code></pre> <p>I am quite confused. What should I be doing to correct this?</p>
 

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