yii2-kartikcrud extension is a gii generator for create crud with kartik-v widget and ajax.
The preferred way to install this extension is through composer.
Either run
php composer.phar require shmilyzxt/yii2-kartikcrud "dev-master"
or add
"shmilyzxt/yii2-kartikcrud": "dev-master"
to the require section of your composer.json file.
Once the extension is installed, simply use it in your code by :
http://yourdomain/index.php?r=gii to visit the generator.