private void Bind()
{
int pageindex = Convert.ToInt32(Request["page"]);
int pagesize = Convert.ToInt32(Request["pagesize"]) == 0 ? 10 : Convert.ToInt32(Request["pagesize"]);
int pagecount = 0;
List <Article> list = new List <Article>();
ArticleDal db = new ArticleDal();
list = db.FindPagingList(ref pagecount, pageindex, pagesize);
if (list.Count == 0 && pageindex > 1)
{
//大于一页的最后一条被删除，页数-1 重新加载
list = db.FindPaging(ref pagecount, pageindex - 1, pagesize);
}
hfcount.Value = pagecount.ToString();
rptlist.DataSource = list;
rptlist.DataBind();
}