Normally, after clicking the delete button in gridview, the record will be deleted and the page will refresh, but the page number in query string is lost. This is not always the case we expect.
Yii Framework Wiki
Wiki articles in category How-tos tagged with "gridview"
Showing 1-5 of 5 items.
A Single Page with a List and a Detail
The CRUD generator of Gii has done a wonderful job for you, and you already have a list of items in the "index" page and a detailed view of a specified item in the "view" page.
Pjax on ActiveForm and GridView - Yii2
Here is a example on how to use Pjax with GridView (yii\grid\GridView) and ActiveForm (yii\widgets\ActiveForm) widgets in Yii2.
Escape from Default's Yii2 Delete Confirm Box
If you started playing with Yii2's new GridView, you will soon realize that some things have improved quite a lot, but I am sure its going to be a bit confusing at first glance when you try to modify certain javascript behaviors like for example, its delete confirmation dialog box.
Displaying, Sorting and Filtering Model Relations on a GridView
One of the things you will find tricky to implement is the the sorting and filtering of a GridView's column that displays related model data.