Webpage life cycle help needed

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C#

ASP.NET

WebForms

paging

Hi all... I have a question about page life cycles... at least that's where I think the problem lies.

I have written some code to dynamically create paging buttons using a PagedDataSource. It all works as intended apart from one small problem :-(

There is a label showing the current page and total pages.. but it only gets updated to the correct current page when I click for a second time. Any help would be MUCH appreciated... (I'm trying to steer clear of J Query as I really don't have much experience with it.

This is the Draw buttons method.

private void DrawButtons()
   {
       Button pagerButtonFirst = new Button();
       Button pagerButtonLast = new Button();

       pagerButtonFirst.Text = "first";
       pagerButtonFirst.Click += btnFirst_Click;
       pagerButtonFirst.CssClass = "PageEnds";

       pnlButtonFirst.Controls.Add(pagerButtonFirst);

       var paging = (Paging)Session[Globals.SessionsNames.SessTestimonials];

       for (int i = 0; i < paging.PagedSource.PageCount; i++)
       {
           var newButton = new Button();

           newButton.Text = (i + 1).ToString();
           newButton.Command += btnSpecfic_Click;
           newButton.CommandArgument = (i + 1).ToString();
           newButton.CssClass = "PageNumber";
           pnlButtonPages.Controls.Add(newButton);
       }

       pagerButtonLast.Text = "last";
       pagerButtonLast.Click += btnLast_Click;

       pagerButtonLast.CssClass = "PageEnds";
       pnlButtonLast.Controls.Add(pagerButtonLast);

       lblPageInfo.Text = string.Format("Showing page {0} of {1}. (total items {2})",
                                        paging.PagedSource.CurrentPageIndex + 1, paging.PagedSource.PageCount,
                                        paging.TotalItems.ToString());
   }