PagedDataSource Pgds = new PagedDataSource();
                Pgds.DataSource = ds.Tables["quizze_list"].DefaultView; 
                Pgds.AllowPaging = true;
                Pgds.PageSize = 45;
                lblTotalPage.Text = Pgds.PageCount.ToString();
                int current_page;
                if (Request.QueryString["Page"] != null)
                {

                    current_page = Convert.ToInt32(Request.QueryString["Page"]);
                }

                else
                {

                    current_page = 1;
                }
                //   当前页所引为页码-1
                Pgds.CurrentPageIndex = current_page - 1;
                //   显示当前页码
                lblCurrentPage.Text = current_page.ToString();
                //   如果不是第一页，通过参数Page设置上一页为当前页-1，否则不显示连接
                if (!Pgds.IsFirstPage)
                {
                    //            Request.CurrentExecutionFilePath为当前请求虚拟路径
                    lnkPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(current_page - 1);
                }
                //        End If
                //   如果不是最后一页，通过参数Page设置下一页为当前页+1，否则不显示连接
                if (!Pgds.IsLastPage)
                {
                    //    Request.CurrentExecutionFilePath为当前请求虚拟路径
                    lnkNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(current_page + 1);
                }



                corp_quizze_list.DataSource = Pgds;
                corp_quizze_list.DataBind();