Count user session

In Global.asax add the following code to keep track of user session

void Application_Start(object sender, EventArgs e)
// Code that runs on application startup
Application.Add("userCount", 0);

void Session_Start(object sender, EventArgs e)
// Code that runs when a new session is started
int userCount = int.Parse(Application.Get(“userCount”).ToString());
Application.Set(“userCount”, userCount);

void Session_End(object sender, EventArgs e)
// Code that runs when a session ends.
// Note: The Session_End event is raised only when the sessionstate mode
// is set to InProc in the Web.config file. If session mode is set to StateServer
// or SQLServer, the event is not raised.
int userCount = int.Parse(Application.Get(“userCount”).ToString());
Application.Set(“userCount”, userCount);

The VB code to retrieve user session count is:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sIPAddress
sIPAddress = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If sIPAddress = "" Then
sIPAddress = Request.ServerVariables("REMOTE_ADDR")
End If

Label_userCount.Text = “There are ” & Application.Get(“userCount”) & ” user(s) online now”
Label_IP.Text = sIPAddress
End Sub


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