Wiki articles in category Tutorials tagged with "behavior"

To generate excel by query content, and download through any controller. You also can bind cssClass to header/odd/even rows. As for header, you even can set cssClass for each column.

$this->export2excel($excel_content,$excel_file);

in your controller.

This tutorial need extension mdmsoft/yii2-upload-file. Follow the intruction to install. After installation done, create controller and action