Asp.Net Global.asax access to the current requested Page object

Question

Is there any way i can access the page object from within the global.asax Application_EndRequest function ?

I'm trying to set the text of a label at the end of the request but accessing the page is proving to be more difficult than I thought.

here is what i have that's currently NOT working:

protected void Application_BeginRequest(Object sender, EventArgs e)

    {

        Context.Items.Add("Request_Start_Time", DateTime.Now);

    }

    protected void Application_EndRequest(Object sender, EventArgs e)
    {

        TimeSpan tsDuration = DateTime.Now.Subtract((DateTime)Context.Items["Request_Start_Time"]);

        System.Web.UI.Page page = System.Web.HttpContext.Current.Handler as System.Web.UI.Page;
        if (page != null)
        {
            Label label = page.FindControl("lblProcessingTime") as Label;
            if (label != null)
            {
                label.Text = String.Format("Request Processing Time: {0}", tsDuration.ToString());
            }
        }
    }

page is always null here.

Thanks in advance.

Solution

It's probably best just to create a BasePage class from which all your pages should inherit. Then you can put the code within the Unload event of the page and there will be no issue.

Comments

[Noldorin]

Thanks. I just thought it would be helpful to point out another approach, which may not have been noticed.

[Ray Booysen]

Good call Nolodorin. I'd think this would be the best idea. Even better would be a master page to make sure the label would always be there as it sounds like every page would have the same label.

[gabac]

this isnt the Application_Start or Application_End, it's Application_StartRequest and Application_EndRequest.

[gabac]

I'll check out this method, the label is on a masterpage and i do have a basepage already defined. the only problem is there is more than one basepage defined so i'll have to do it for each.

[gabac]

FindControl wont break if not found, the label will just be null.

[Noldorin]

That's fine - just put the event handler setup in the constructor of the MasterPage. i.e. this.Page.Unload += ...

[Pathmapratheep]

Yes the label will be null, the functionality will break. I abhor the use of FindControl. In 99% of the cases it is used it is due to poor design. There will almost always be a way to declare a strongly typed instance of the control you are trying to find.