<div class="gywm_Zi">

         <div>
    <asp:ListView  ID="lsvNews"  runat="server"  >
        <LayoutTemplate>
            <div id="itemPlaceholder"  runat="server">
            
            </div>
        </LayoutTemplate>
        <ItemTemplate>
        <div class="xwht">
            <span class="ht_l">>
              <a href="NewsDetail.aspx?Id=<%#Eval("Id") %>">
                       <b><%# Container.DataItemIndex + 1 %></b>.
                        <%#Eval("Title") %>
              </a>
            </span>
            <span class="ht_r">[<%#Eval("createTime") %>]</span>
        </div>
        </ItemTemplate>       
    </asp:ListView>
   
</div>
</div>
<div class="clear"></div>
 <div class="sxy">
 共有<span id="totalRows" runat="server"></span>條 
 <span id="totalPage" runat="server"></span>
   <asp:DataPager  runat="server"  PagedControlID="lsvNews" PageSize="10" ID="DDPager" >
    <Fields>
        <asp:NextPreviousPagerField ShowFirstPageButton="true" FirstPageText="首頁" PreviousPageText="上一頁" ShowNextPageButton="false" />
        <asp:NumericPagerField  ButtonCount="4"  />
        <asp:NextPreviousPagerField ShowPreviousPageButton="false" LastPageText="最後一頁" NextPageText="下一頁" ShowNextPageButton="true" ShowLastPageButton="true" />
    </Fields>
   </asp:DataPager>
     
     <asp:DropDownList ID="ddlPager" runat="server" AutoPostBack="true"
         onselectedindexchanged="ddlPager_SelectedIndexChanged">
     </asp:DropDownList>
 </div>
      </div>
    </div>
  </div>
  <div class="clear"></div>
 

//後臺程式碼

    SqlConnection conn = GetConnection.GetsqlConn();
    Comm comm = new Comm();
    public string parentTitle = "", twoTitle = "", content = "";
    protected void Page_Load(object sender, EventArgs e)
    {
       
        int Id = 0;
        if (Request.QueryString["Id"] != null)
        {
            Id = Convert.ToInt32(Request.QueryString["Id"].ToString());
        }
        string sql1 = "select  tb_Content.Id,titleTable.twoTitle,title,

[content],tb_Content.remark,isFirst,createTime from tb_Content,titleTable where 

tb_Content.connectionId=titleTable.Id  and connectionId="+Id+" order by createTime desc";//新聞
        string connString = ConfigurationManager.AppSettings["ConnectionString"];
        SqlConnection connection = new SqlConnection(connString);
        connection.Open();
        SqlDataAdapter adapter = new SqlDataAdapter(sql1, connection);
        DataSet ds = new DataSet();
        adapter.Fill(ds);
        lsvNews.DataSource = ds;
        connection.Close();

    }
    /// <summary>
    /// 預備傳送事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Page_PreRender(object sender, EventArgs e)
    {
        lsvNews.DataBind(); //繫結ListView
        int d = DDPager.TotalRowCount; //DataPager總行數
        totalRows.InnerText = d.ToString(); //總行數(總條數)

        int Var_DataPager = Convert.ToInt32(Math.Ceiling(System.Convert.ToDouble(DDPager.TotalRowCount) / 

DDPager.MaximumRows));//總頁數
        if (Var_DataPager > 1) //如果總頁數大於1
        {
            int pageIndex = DDPager.StartRowIndex / DDPager.PageSize + 1;//當前頁碼
            totalPage.InnerText = pageIndex + "/" + Var_DataPager;//  當前頁/總頁數
        }
        else
        {
            totalPage.InnerText = Var_DataPager.ToString(); //顯示第一頁
        }
        //設定下拉列表頁碼
        ddlPager.Items.Clear(); //每次都要清空原有頁碼
        for (int i = 1; i <= Var_DataPager; i++) {
            ddlPager.Items.Add(new ListItem(i.ToString(), i.ToString()));
        }

        ddlPager.SelectedValue = DDPager.StartRowIndex / DDPager.PageSize + 1+""; //分頁下拉列表顯示當前頁碼
    }
 

    //分頁下拉列表的選擇事件
    protected void ddlPager_SelectedIndexChanged(object sender, EventArgs e)
    {
        int pageNo = Convert.ToInt32(ddlPager.SelectedValue.ToString());//拿到下拉列表中選擇的頁碼
        int startRowIndex = (pageNo - 1) * DDPager.PageSize;            //獲取開始頁碼
        DDPager.SetPageProperties(startRowIndex, DDPager.PageSize, true);//呼叫這個方法進行選擇性分頁
    }