Display User Login Time Information

I am currently facing a challenge with displaying user log in time details. I have two tables set up for this purpose - UserMaster, which contains UserDetails, and UserLogInTimeDetails, which includes columns for UserId and LogedInTime. Whenever a user logs in, their UserId and LogInTime are stored in the UserLogInTimeDetails table. However, when a user logs off, I delete the corresponding row from UserLogInTimeDetails.

The issue arises when a user closes their browser without logging off. In such cases, the user's details remain in the UserLogInTimeDetails table, preventing them from being able to log in again.

I have searched online and found that handling browser close events is not feasible. Many sources suggest using the onbeforeunload event, but unfortunately, it has not been effective in my situation.

If anyone could provide assistance or solutions to this problem, it would be greatly appreciated. Thank you.

c#javascriptasp.net

Answer №1

One potential solution could be to utilize the Session_End function in your global.asax file to automatically remove a user when their session expires. While there may be some uncertainty about retrieving the session ID from this method, it's worth exploring further within the EventArgs...

void Session_End(Object sender, EventArgs e) {
    //Code to remove user from database would go here
}

Alternatively, you could consider tracking user activity based on their last interaction. Each time a user interacts with your system, update the timestamp of their last activity. This information could be stored in the database alongside their login time and session ID, allowing you to calculate the duration of their active session.

Answer №2

Using SignalR is the top choice for monitoring user activity and status, whether they are online or offline. By capturing events like disposal, you can accurately track when a user logs out or closes their browser.

This method may introduce you to new concepts. Take a look at the link below for a straightforward example of how SignalR works.

Check out this signalR sample application for monitoring online and offline statuses

Answer №3

Is it necessary to restrict users from logging in multiple times on different browsers?

If not, a common approach is to store login information in a session variable (such as login time or user id) and use it to determine if the user is logged in.

If the user closes the browser, the session is lost, requiring them to log in again. However, they can log in multiple times from different browsers.

You can access these variables like so:

// Set it like this. Can be any type of object with login data.
Session["LoginData"] = "Hello";

// Get it like this.
string test = (string)Session["LoginData"];

Edit: If it is crucial to prevent users from logging in multiple times, there is a more complex issue to address. Perhaps a solution like this could work?

  • Have the browser (via ajax) ping the web server at intervals to track activity.
  • When the server receives a ping, record the date and time in a session variable.
  • Before allowing access to the webpage, check the session for recent pings to determine if the user is already logged in elsewhere.

I hope this solution is helpful!

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