Is it possible to verify if a web application is currently active on a different browser tab?

My web application is built using ASP.Net/C# and Javascript and relies on session variables.

I am wondering if there is a way to detect if the application is already open in another tab when I launch it?

Alternatively, do you have any suggestions for ensuring that session variables are unique to each specific tab?

Any assistance or guidance would be highly appreciated!

Thank you,

Kev

Answer №1

Understanding sessions is crucial. A session essentially consists of a file stored on the server that contains data. When a user initiates a session, they are actually receiving a cookie with a specific identifier to locate their individual session.

As a result, when multiple tabs are opened in the same browser, the cookie remains the same, allowing access to the same session across all tabs. To ensure uniqueness, one approach is to assign a random ID when starting the session. However, based on current knowledge, this method may simply overwrite the existing session's contents...

Answer №2

To determine if a session is new, you can utilize the Session.IsNewSession() method. In web browsers with multiple tabs open, sessions are typically maintained across all tabs within the same window.

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