How to increase executionTimeout for a long-running query?

Question

In my application, one query takes 3 minutes to execute. I found that Default ExecutionTimeout value is 110 sec.I tried to change this to 500 (seconds) but

Answer 1

When a query takes that long, I would advice to run it asynchronously and use a callback function for when it's complete.

I don't have much experience with ASP.NET, but maybe you can use AJAX for this asynchronous behavior.

Typically a web page should load in mere seconds, not minutes. Don't keep your users waiting for so long!