//内容页面    
　　 <div id="notice_div"></div>
　　 //分页控件

    <div id="notice_pages"></div>

    <script>

        var roolurl = "http://" + window.location.host;

        var urlAshx = roolurl + "/aa/Ashx/NoticeInfo.ashx";

        //var pages = 0;

        //获取分页好的公告内容

        function GetNoticeList(curr, cid) {

            $.getJSON(urlAshx,

                {//参数

                    action: "notice_action",

                    courseid: cid,

                    page: curr || 1,//向服务端传的参数，此处只是演示

                    nums: 3//每页显示的条数

                }, function (datajson) {//成功执行的方法
　　　　　　　　　　　 if (datajson != null && typeof (datajson) == "string" && datajson.length > 0) { 
　　　　　　　　　　　　　　try { datajson = JSON.parse(datajson); } catch (e) { datajson = eval("(" + datajson + ")"); } }

                        var norice_content = "";

                        //alert(datajson.pages);

                        $(datajson.rows).each(function (n, Row) {

                            norice_content += "  <div class='panel panel-default'>";

                            norice_content += "      <div class='panel-heading'>";

                            norice_content += "          <h3 class='panel-title'>";

                            norice_content += Row.CreateDate;

                            norice_content += "                        ";

                            norice_content += Row.Creater;

                            norice_content += "          </h3>";

                            norice_content += "      </div>";

                            norice_content += "      <div class='panel-body'>";

                            norice_content += Row.NoticeContent;

                            norice_content += "      </div>";

                            norice_content += "  </div>";

                        });

                        $('#notice_div').html(norice_content);

                        //alert(11);

                        //调用分页

                        laypage({

                            cont: 'notice_pages',//容器。值支持id名、原生dom对象，jquery对象。【如该容器为】：<div id="page1"></div>

                            pages: datajson.pages,//总页数

                            groups: 5, //连续显示分页数

                            skip: false, //是否开启跳页

                            skin: '#AF0000',

                            curr: curr || 1, //当前页,

                            jump: function (obj, first) {//触发分页后的回调

                                if (!first) {//点击跳页触发函数自身，并传递当前页：obj.curr

                                    GetNoticeList(obj.curr, cid);

                                }

                            }

                        });

                });

        }

        $(document).ready(function () {

            GetNoticeList(0, '<%=_courseid%>')

        });

    </script>

private string GetNewsByPage(HttpContext context)

{

    #region //分页 算法

    int page = 0;

    int.TryParse(context.Request.Params["page"], out page);//当前第几页

    int nums = 0;

    int.TryParse(context.Request.Params["nums"], out nums);//每页显示几条数据

    int StartIndex = (page - 1) * nums + 1;

    int EndIndex = page * nums;

    #endregion

    //StringBuilder strWhere = new StringBuilder();

    #region // 拼Sql Where 条件

    #endregion

    int total = 0;

    DataTable dt = bll_News.GetListByPage("", "postdate", StartIndex, EndIndex);

    total = bll_News.GetRecordCount("");

    string strjosn = AppCode.DataTableConvertJson.DataTableToJson(dt);

    int pages = Convert.ToInt32(Math.Ceiling((double)total / (double)nums)); // 页数

    return "{\"total\":" + total + ",\"pages\":" + pages + ",\"rows\":" + strjosn + "}";

}