Code to check when page has finished loading

Question

How can I check whether the page has finished loading? When it has, how can I execute a method already created in the C# code behind for that page?

I would like to o

Answer 1

Use JQuery and make a callback to open the xls file.

There is a few solutions detailed here POST to server, receive PDF, deliver to user w/ jQuery

Basically you can hook into the

$(document).ready(function() {
  // do window.location or another one of the options to download the file.
});