```

The above approach can also be used if we have more than two models to deal with.

### Links
[Chinese version](http://projects.ourplanet.tk/node/94)  
 
[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/)