In this blog we have explained how to Add/Delete group price in magneto pro-grammatically. We have described in this blog step by step process with complete programming(code). You can easily understand how to use in magneto. Please follow all steps.
Load product by Sku or Id -
2 - Delete group price
- See more at: http://findnerd.com/list/view/AddDelete-group-price-in-magento-pro-grammatically-/642