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How to use a single form to collect data for two or more models?

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How to use a single form to collect data for two or more models?

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Tutorials

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model validation

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[...]
'b'=>$b,
));
}
```

And for the `create` view, we would needTo add these new fields to your Create form, add your 2nd table fields no stored in a 2nd model.  
 
 
A's create.php:
 
 
 
 
 
```php 
<?php echo $this->renderPartial('_form', array('a'=>$a, 'b'=>$b)); ?>
 
```
 
 
 
You usually place the specific fileds in the _following code,rm.php file if you are working off Gii created CRUD files. ```php <?php echo CHtml::fbeginForm(); ?>     <?php echo CHtml::errorSummary(array($a,$b)); ?>     <!-- ...input fields for $a, $b...
 
 
</form>
 
```
 
 
The above approach can also be used if we have more than two models to deal with.
 
 
[hr]
 
 
Now, since version 1.0.3 and the `_form.php` view things change a litle. Folowing the example, we need to redlclare en the `create` view the parameters passed to the `create` view so the `_form` view can use them.
 
~~~
 
<h2>Create view</h2 -->
 
 
<div class="row">
 
<?php echo $form->labelEx($a,'a_field'); ?>
 
<?php echo $form->textField($a,'a_field'); ?>
 
<?php echo $form->error($a,'a_field'); ?>
 
</div> <div class="actionBarrow"> [ <?php echo CHtml::link('List',array('list')$form->labelEx($b,'b_field'); ?>] [ <?php echo CHtml::link('Manage',array('admin')$form->textField($b,'b_field'); ?>
 
<?php echo $form->error($b,'b_field'); ?>] </div>
 
<?php echo $this->renderPartial('_form', array(
 
'a'=>$a,'b'=>$b,
 
'update'=>false,
 
)); ?>
 
~~~
 
 
And in the `_form` work as ever (i.e. we can use $a and $b)
 
 
CHtml::endForm(); ?>
 
```
 
 
The above approach can also be used if we have more than two models to deal with.
 
 
### Links
 
[Ajax Validation Version](http://www.yiiframework.com/wiki/218/how-to-use-single-form-to-collect-data-for-two-or-more-models-cactiveform-and-ajax-validation-edition/)
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79 followers
Viewed: 353 743 times
Version: 1.1
Category: Tutorials
Tags: model validation
Written by: qiang
Last updated by: Yang He
Created on: Feb 27, 2009
Last updated: 12 years ago
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