How to put an asp.net application into offlince/maintenance mode?

I've developed my first web application which, surprisingly, is getting very popular.

Because the website is now live, I have a hard time doing some changes, in fear some people are still logged in and are using the application.

I wish to avoid having a duplicated instance of the web application for testing.

Is there any way to put the website in 'maintenance mode' with only me having access to it? Like redirecting to a page with some info, telling its in maintenance mode.

Solution

This is the answer to your question: http://www.codeproject.com/Tips/219637/Put-the-website-in-Maintanance-Mode-Under-Construc

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