Export GridView Data to CSV/Excel/XML format

Many times your customers will ask if they can export the Gridview data in one of the most popular formats like CSV, Excel or XML. I had written an example before for exporting Gridview data to Excel only, here I am combining all of three popular formats at one place so that you can choose whatever it may fit your need or give the opportunity to end user to select whatever format they would like to choose to export the data. [More]