PagedDataSource objPage = new PagedDataSource();             DataView dv = bllBook.GetListByState("", true);             //设置数据源             objPage.DataSource =dv ;             //允许分页             objPage.AllowPaging = true;             //设置每页显示的项数             objPage.PageSize = 10;             //定义变量用来保存当前页索引             int CurPage;             int RecordCount;             int PageCount = objPage.PageCount;             RecordCount = dv.Count;             //判断是否具有页面跳转的请求             if (Request.QueryString["Page"] != null)             {                 CurPage = Convert.ToInt32(Request.QueryString["Page"]);             }             else             {                 CurPage = 1;             }             //设置当前页的索引             objPage.CurrentPageIndex = CurPage - 1;             //显示状态信息             lblCurPage.Text = "第  " + CurPage.ToString() + "/" + PageCount.ToString() + "页    共  " + RecordCount.ToString() + " 记录 ";             //如果当前页面不是首页             if (!objPage.IsFirstPage)             //定义 "上一页 "超级链接的URL为：当前执行页面的虚拟路径,并传递下一页面的索引值             {                 lnkPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage - 1);                 lnkFirst.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(1);             }             //如果当前页面不是最后一页             if (!objPage.IsLastPage)             //定义 "下一页 "超级链接的URL为：当前执行页面的虚拟路径,并传递下一页面的索引值             {                 lnkNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage + 1);                 lnkLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(PageCount);             }             //进行数据绑定             Repeater1.DataSource = objPage;             Repeater1.DataBind();