Custom Paging in Repeater with Next Previous First Last Button using C# and VB.Net in ASP.Net

hello,

i am using this code for paging it works best till have less data now its showing 

1 2 3 .... till 182

i want to show it like 

1 2 3 4 5 6 7 8 9 10 Next onclick on Next then again show next ten page

11 12 13 14 15 16 17 18 19 20 Next

and so on please advice

            double dblPageCount = (double)((decimal)recordCount / 24);
            int pageCount = (int)Math.Ceiling(dblPageCount);
            List<ListItem> pages = new List<ListItem>();
            if (pageCount > 0)
            {
                pages.Add(new ListItem("First", "1", currentPage > 1));
                for (int i = 1; i <= pageCount; i++)
                {
                    pages.Add(new ListItem(i.ToString(), i.ToString(), i != currentPage));
                }
                pages.Add(new ListItem("Last", pageCount.ToString(), currentPage < pageCount));
            }
            rptPager.DataSource = pages;
            rptPager.DataBind();