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Introduction to grids

In Yii grid widget is extremely useful if you need to quickly build admin section of the system. It takes data from data provider and renders each row using a set of columns presenting data in a form of a table.

Each row of the table represents the data of a single data item, and a column usually represents an attribute of the item (some columns may correspond to complex expression of attributes or static text).

CGridView supports both sorting and pagination of the data items. The sorting and pagination can be done in AJAX mode or normal page request. A benefit of using CGridView is that when the user browser disables JavaScript, the sorting and pagination automatically degenerate to normal page requests and are still functioning as expected.

CGridView should be used together with a data provider, preferrably a CActiveDataProvider.

The minimal code needed to use CGridView is as follows:

$dataProvider=new CActiveDataProvider('Post');

$this->widget('zii.widgets.grid.CGridView', array(
    'dataProvider'=>$dataProvider,
));

The above code first creates a data provider for the Post ActiveRecord class. It then uses CGridView to display every attribute in every Post instance. The displayed table is equiped with sorting and pagination functionality.

See [grid-columns] for details about how to configure different columns.

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