Magento2 rewrite _prepareCollection method

Question

I want to override the _prepareCollection method but not working I am using preference to override the method, In the same class of another method except _prepareCollection is going to successfully overridden.

Please help on the above issue.Any references and suggestion is highly appreciated.

Thanks.

Answer 1

I have got the answer from Magento core module.

We can override by the following code

Replace

//return parent::_prepareColumns();

To

return \Magento\Backend\Block\Widget\Grid\Extended::_prepareCollection();

It's work for me