BlogEngine.Core.Json.JsonPosts.GetPager C# (CSharp) Method

        public static string GetPager(int page, int pageSize)
        {
            if (postCnt == 0)
            {
                return string.Empty;
            }
            if (page < 1) page = 1;

            var prvLnk = string.Empty;
            var nxtLnk = string.Empty;
            var firstLnk = string.Empty;
            var lastLnk = string.Empty;
            const string linkFormat = "<a href=\"#\" id=\"{0}\" onclick=\"return LoadPostsForPage('{1}');\" class=\"{0}\"></a>";

            pageSize = Math.Max(pageSize, 1);
            var pgs = Convert.ToDecimal(postCnt) / Convert.ToDecimal(pageSize);
            var p = pgs - (int)pgs;
            var lastPage = p > 0 ? (int)pgs + 1 : (int)pgs;

            var postTo = page * pageSize;
            if (postTo > postCnt) postTo = postCnt;

            var currentScope = ((page * pageSize) - (pageSize - 1)).ToString() + " - " + postTo.ToString();

            var pageLink = string.Format("Showing <span id=\"PagerCurrentPage\">{0}</span> of {1}", currentScope, postCnt);

            if (currentPage > 1)
            {
                prvLnk = string.Format(linkFormat, "prevLink", page - 1);
                firstLnk = string.Format(linkFormat, "firstLink", 1);
            }

            if (page < lastPage)
            {
                nxtLnk = string.Format(linkFormat, "nextLink", page + 1);
                lastLnk = string.Format(linkFormat, "lastLink", lastPage);
            }

            return "<div id=\"ListPager\">" + firstLnk + prvLnk + pageLink + nxtLnk + lastLnk + "</div>";
        }