来个实用的net手动分页，不懂的留言啊，原创啊

public string GeneratePagetr(int pagesize,int count,int pageindex,string url)         {             var pageCount = count/pagesize;//页码纠错             if (count%pagesize != 0)                             pageCount ;             if (pageCount < 1)             {                 pageCount = 1;             }             else if (pageindex > pageCount)             {                 pageCount = pageindex;             }             var sbPager = new StringBuilder();             sbPager.Append("<div>");             if (pageindex == 1)             {                 sbPager.Append("<span>上一页<span>");             }             else             {                 sbPager.Append("<span><a href=\"" url "&p=