...how to display an session expires error message on login page.

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I have a perfectly working asp.net web application. i want to tweak things a little bit. i have given a specific to my session. Hence, users are redirected to login page after session expires. What i want to do though, is to tell them why they have been redirected to login again(i.e session out). How do i achieve it. Note. if the login page is visited for the first time, the error message is invisible. it only becomes visible when the page is loaded as a result of session time out.

What I have tried:

Cant think of any for now apart from redirecting users to login page when session expires

Posted 11-Nov-16 1:53am

Mcbaloo

Updated 11-Nov-16 2:49am

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Solution 2

There's no foolproof way of doing this as the web is stateless, but you could check the http referer property to see if the request has been instigated from another page. To be honest though I just wouldn't bother. People are used to being dumped to a login screen when their login expires. I'd be more inclined to spend the effort using cookies to manage authentication so their authentication can last beyond the session and only ends when they choose to logout or close their browser.

Posted 11-Nov-16 2:49am

F-ES Sitecore

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Karthik_Mahalingam · Accepted Answer · 2016-11-11T02:44:00

while redirection add a query string to the url.

C#

Response.Redirect("Utility.aspx?SomeKey=1");

and check for the query string in the login page page_load event , based on the value you shall show/hide the message

C#

protected void Page_Load(object sender, EventArgs e)
        {
            lblMessage.Visible = false;
            var value = Request.QueryString["SomeKey"];
            if (value != null)
                lblMessage.Visible = true