How To Redirect To Previous Page in Magento 2?

Today’s tutorial we are showing how to redirect to previous page from a custom action in magento 2.

This will be useful when you have an error message to show after a form submission.

namespace Vendor\Module\Controller\Adminhtml\Index;
class Fetch extends \Magento\Backend\App\Action
{
    public function execute()
    {
        // TODO: Implement execute() method.
        $this->_redirect($this->_redirect->getRefererUrl());
    }
}