With Yii Framework 2.0, one of the many changes, that Yii 1.x developers will face is removal of all client helpers and revamp of the CClientScript functionality. For example no more CHtml::ajaxLink or Html::ajaxLink. How do you cater to such requirements in Yii 2.0?
A big problem I've hit with the Yii-Bootstrap extension is that all AJAX requests are initializing Bootstrap because of preload. This is a huge waste of resources, especially when using AJAX-based file uploaders that split the file into chunks. Large file uploads using that method could be initializing bootstrap hundreds of times.
Created 3 years ago by Boaz – Tips – 0 comments – viewed 19,075 times
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When you're filling up a form of a CActiveRecord (using CActiveForm for example), usually you'll construct your code so that in case of validation error you'll get back the form with the error displayed back to you, typically when CActiveForm.errorSummary() is used. This is how its done by Gii.
To extend the functionality of you web application relative to your requirements you are supposed to use existing yii core libraries or use external libraries. There are some steps to ensure security, uniqueness, modularity, performance and to avoid rework in future.