public class MyPagecontroll

     {

         public int TotalCount { get; set; }//数据的总条数

         public int PageSize { get; set; }//每一页的显示条数

         public int CurrentPageIndex { get; set; }//当前是页码数，也就是说明当前是第几页

         public int MaxPageCount { get; set; }//用于显示当前页码条的数量

         public string UrlFormat { get; set; }//绘制当前的Url

         public int PageCount { get; set; }

         public MyPagecontroll()

         {

             PageSize = Convert.ToInt32(ConfigurationManager.ConnectionStrings["PageSize"].ConnectionString);

             MaxPageCount = Convert.ToInt32(ConfigurationManager.ConnectionStrings["MaxPageCount"].ConnectionString);

             PageCount = (int)Math.Ceiling((double)TotalCount / PageSize);

         }

         public void SetCurrentPageIndex(string pn)

         {

             int tempPageIndex;

             if (int.TryParse(pn, out tempPageIndex))

             {

                 CurrentPageIndex = tempPageIndex;

             }

             else

             {

                 CurrentPageIndex = ;

             }

         }

         public string GetPageLink(int page, string txt)

         {

             StringBuilder sb = new StringBuilder();

             string url = UrlFormat.Replace("{n}", page.ToString());

             sb.Append("<a href='").Append(url).Append(">").Append(txt).Append("</>");

             return sb.ToString();

         }

         public string Render()

         {

             StringBuilder sb = new StringBuilder();

             int visibleStart = CurrentPageIndex - MaxPageCount / ;

             if (visibleStart < )

             {

                 visibleStart = ;

             }

             int viszbleEnd = visibleStart + MaxPageCount;

             if (viszbleEnd > PageCount)

             {

                 viszbleEnd = PageCount;

             }

             if (CurrentPageIndex > )

             {

                 sb.Append(GetPageLink(, "首页"));

                 sb.Append(GetPageLink(CurrentPageIndex - , "上一页"));

             }

             else

             {

                 sb.Append("<span>首页</span>");

                 sb.Append("<span>上一页</span>");

             }

             for (int i = visibleStart; i <= viszbleEnd; i++)

             {

                 if (i == CurrentPageIndex)

                 {

                     sb.Append("<span>").Append(i).Append("</span>");

                 }

                 else

                 {

                     sb.Append(GetPageLink(i, i.ToString()));

                 }

             }

             if (CurrentPageIndex < PageCount)

             {

                 sb.Append(GetPageLink(CurrentPageIndex + , "下一页"));

                 sb.Append(GetPageLink(PageCount + , "末页"));

             }

             else

             {

                 sb.Append("<span>下一页</span>");

                 sb.Append("<span>末页</span>");

             }

             return sb.ToString();

         }

     }