Sometimes you face the problem to export the data into csv file using clientside platform. In this case you can use javascript and jquery.

A lightweight JavaScript plugin to generate CSV, XLS, PDF, DOC, or export a DOM element to HTML—all from the frontend!

Here, each customer has a unique identifier: "customer_id". Table 1 has columns where repeated values occur in rows. For example, customer_id will be the same in the first four lines, as these lines ...