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Using filters on CGridView with CActiveDataProvider is easy, but with CArrayDataProvider it is a bit tricky.

With yii you're able to create ajax requests and updates easily. But most times you always want to show a loading indicatior to your user.

I wanted to keep all the I18N related translations in separate files, so that I would not need to modify the view files or the model files every time I need to update or fix the translations of application's source language.

It's common to see users wishing to make substring DB queries, using the % metacharacter used to match anything; in this FAQ we'll search the tbl_comments table from the blog tutorial hoping to find the text in $match in the content column

Yii's by-default directory organization works well enough, but there are several steps one can take that improve the security and serviceability of the system, especially in the context of multiple Yii projects on the same machine (including multiple versions of the same project).

With Yii you can use one CActiveForm for collecting data for two or more models with ajax validation and client validation.

Here I suggest to list the most common questions you meet in the forum or freenode irc. Feel free to edit this wiki article, and add another question with answer

After enabling the Gii module in your protected/config/main.php file and then try to use it with http://example.com/index.php?r=gii, you get an error:

This is a simple example of how we can display images in CGridviews.Imagine that you have an image field in your table ie either a location field or a blob type field used to store the images.

Normally when we want users to download a file, that file is put in a folder under the web application root and the web server does the rest.