Write the following code in Page Load. however,If you don't want to use javascript/jquery part for some reason or you don't want to manipulate the url of your page then you can add a hidden iframe in your content page with empty src and runat="server",now whenever you want to download your file just set iframe's src at server side to point jQuery: Load CSS with AJAX (all browsers) - Load css using jQuery so you can capture when the css has been loaded - working in all old and new browsers! Menu. Toggle navigation. I decided the best way to do this was to load the file with jQuery Ajax, which would give me the “success” call-back and allow me to pick up on failures and etc. One issue we have not yet seen addressed is the Ajax’s inability to receive a response in any form but text. Since it is now common for web applications to offer options for exporting your data in desktop app formats — such as .doc or .xls — we wrote a jQuery plugin to facilitate requests from the front end that result in a file for download. Demo; Download examples; Introduction. The jQuery Load is the simplest and all-purpose function that can be used for making all types of AJAX calls.In web applications, there are times when you need to apply AJAX calls, to either fetch data from a database or through other files (text, html, xml, json, etc.).Here, jQuery Load method proves to be very handy.