Asp.net+JS 分页

 function pagestart() {//初始化页面，获取公司新闻
     $("#pagediv").hide();
     $("#CurrentPage").val("");
     var pagesize = $("#pagesize").val();
     var requesttye = $("#requesttype").val();
     var par = '{"pageIndex":"0","pageSize":"' + pagesize + '","classid":"' + $("#classid").val() + '","requesttye":"' + requesttye + '"}';
     getdata(par);
 }
 function getUrlParam(name) {//获取地址栏参数
     var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
     var r = window.location.search.substr().match(reg);  //匹配目标参数
     if (r != null) return unescape(r[]); return null; //返回参数值
 }
 function getlist(th, classid) {//不同分类列表内容获取
     $("#requesttype").val("list");
     var currentclassid = $("#classid").val();
     if (currentclassid != classid) {
         $("#classid").val(classid);
         $("#CurrentPage").val("");
     }
     var pagesize = $("#pagesize").val();
     $(th).addClass("checked").siblings().removeClass("checked");
     var requesttye = $("#requesttype").val();
     var par = '{"pageIndex":"' + $("#CurrentPage").val() + '","pageSize":"' + pagesize + '","classid":"' + classid + '","requesttye":"' + requesttye + '"}';
     getdata(par);
 }
 function getdata(par) {//根据类型，获取分页列表或单条内容
     var requesttye = $("#requesttype").val();
     $.post("/HandlePage/PostHandler.ashx", { "type": requesttye, "par": par }, function (data) {
         var newfull = $.parseJSON(data);
         if (newfull.pageCount != "") {
             if (requesttye == "getcontent") {
                 $("#newcontent").html(newfull.content);
                 $("#newcontent").show();
                 $("#newsListShow").hide();
                 $("#pagediv").hide();
             } else {
                 PageControl(newfull.pageCount);
                 $("#newsListShow").html(newfull.content);
                 $("#newsListShow").show();
                 $("#newcontent").hide();
                 $("#pagediv").show();
             }
         } else {
             $("#newsListShow").html("");
             $("#pagediv").hide();
             $("#newcontent").hide();
         }
     });
 }
 function PageControl(datacount) {//分页按钮显示隐藏控制
     var currentpage = $("#CurrentPage").val();
     var pagesize = $("#pagesize").val();
     var pagecount = Math.ceil(datacount / pagesize);
     $("#pagecount").val(pagecount);
     PageNumberControl(pagecount);
 }

 function PageNumberControl(pagecount) {//控制按钮上显示的页码数字
     var ButtonArray = ["pageone", "pagetwo", "pagethree", "pagefour", "pagefive"];
     var CurrentPageNumber = $("#CurrentPage").val(); //查询页码
     var RealPageNumber = parseInt(CurrentPageNumber) + ; //看到的页码
     if (pagecount > ) {//总页数大于5页时，控制页号
         if (RealPageNumber > ) {
             if (RealPageNumber == (parseInt(pagecount) - )) {
                 $("#pageone").text(parseInt(RealPageNumber) - );
                 $("#pagetwo").text(parseInt(RealPageNumber) - );
                 $("#pagethree").text(RealPageNumber);
                 $("#pagefour").text(parseInt(RealPageNumber) + );
                 $("#pagefive").text(parseInt(RealPageNumber) + );
             } else if (RealPageNumber == (parseInt(pagecount) - )) {
                 $("#pageone").text(parseInt(RealPageNumber) - );
                 $("#pagetwo").text(parseInt(RealPageNumber) - );
                 $("#pagethree").text(parseInt(RealPageNumber) - );
                 $("#pagefour").text(RealPageNumber);
                 $("#pagefive").text(parseInt(RealPageNumber) + );
             }
             else if (RealPageNumber == pagecount) {
                 $("#pageone").text(parseInt(RealPageNumber) - );
                 $("#pagetwo").text(parseInt(RealPageNumber) - );
                 $("#pagethree").text(parseInt(RealPageNumber) - );
                 $("#pagefour").text(parseInt(RealPageNumber) - );
                 $("#pagefive").text(RealPageNumber);
             } else if (RealPageNumber <= (parseInt(pagecount) - )) {
                 $("#pageone").text(parseInt(RealPageNumber) - );
                 $("#pagetwo").text(parseInt(RealPageNumber) - );
                 $("#pagethree").text(RealPageNumber);
                 $("#pagefour").text(parseInt(RealPageNumber) + );
                 $("#pagefive").text(parseInt(RealPageNumber) + );
             }
         }
     }
     else {//总页数少于6页时，控制页号
         for (var pn = ; pn < ; pn++) {
             $("#" + ButtonArray[pn]).text(parseInt(pn) + );
         }
     }
     PageMoreButtonControl(RealPageNumber, pagecount);//更多提示控制
     PageButtonHideOrShow(RealPageNumber,pagecount);//页码显示按键控制
 }
 function PageButtonHideOrShow(RealPageNumber,PageCount) {//控制页码按键和样式
     var ButtonArray = ["pageone", "pagetwo", "pagethree", "pagefour", "pagefive"];

     for (var j = ; j < ; j++) {//显示所有按键
         $("#" + ButtonArray[j]).show();
     }

     if (PageCount < ) {//根据总页数隐藏不需要显示的页码按钮
         for (var i = PageCount; i < ; i++) {
             $("#" + ButtonArray[i]).hide();
         }
     }
     var ShowPageNumber = ;
     for (var a = ; a < ; a++) {//控制按键样式
         ShowPageNumber = $("#" + ButtonArray[a]).text();
         if (ShowPageNumber == RealPageNumber) {
             $("#" + ButtonArray[a]).addClass("checked").siblings().removeClass("checked");
             break;
         }
     }
 }
 function PageMoreButtonControl(RealPageNumber, PageCount) {
     if (PageCount <= ) {
         $("#promore").hide();
         $("#nextmore").hide();
     } else {
         if (RealPageNumber >  && RealPageNumber < (PageCount - )) {
             $("#promore").show();
             $("#nextmore").show();
         } else if (RealPageNumber > ) {
             $("#promore").show();
             $("#nextmore").hide();
         } else if (RealPageNumber < (PageCount - )) {
             $("#promore").hide();
             $("#nextmore").show();
         }
     }
 }
 function ProPage() {//前一页
     var oldpage = $("#CurrentPage").val();
     var currentpage = parseInt(oldpage) -
     ChangePage(currentpage);
 }
 function GetPage(th) {//获取指定页
     var pageindex = $(th).text();
     var currentpage = pageindex - ;
     ChangePage(currentpage);
 }
 function NextPage() {//获取下一页
     var oldpage = $("#CurrentPage").val();
     var currentpage = parseInt(oldpage) +
     ChangePage(currentpage);
 }
 function FirstPage() {//跳转到第一页
     ChangePage();
 }
 function LastPage() {//跳转到最后一页
     var pagecount = $("#pagecount").val();
     var QuaryPage = parseInt(pagecount) - ;
     ChangePage(QuaryPage);
 }
 function ChangePage(currentpage) {//判断请求页码是否在合理范围内
     var pagecount = $("#pagecount").val();
     var pagesize = $("#pagesize").val();
     if (currentpage >=  && currentpage < pagecount) {
         $("#CurrentPage").val(currentpage);
          var requesttye = $("#requesttype").val();
          var par = '{"pageIndex":"' + currentpage + '","pageSize":"' + pagesize + '","classid":"' + $("#classid").val() + '","requesttye":"' + requesttye + '"}';
         getdata(par);
     }
 }

 <input type="hidden" id="CurrentPage" value="0"/>
     <input type="hidden" id="pagesize" value="10" />
     <input type="hidden" id="pagecount" />

 <div id="pagediv">
                 <ul>
                 <li id="firstpage" onclick="FirstPage();"><img src="/images/firstpage.jpg" /></li>
                     <li id="propage" onclick="ProPage();">
                         <img src="/images/page_front.png" /></li>
                     <li class="page-more" id="promore">
                         <img src="/images/page_more.jpg" /></li>
                     <li class="checked" id="pageone" onclick="GetPage(this);"></li>
                     <li id="pagetwo" onclick="GetPage(this);"></li>
                     <li id="pagethree" onclick="GetPage(this);"></li>
                     <li id="pagefour" onclick="GetPage(this);"></li>
                     <li id="pagefive" onclick="GetPage(this);"></li>
                     <li class="page-more" id="nextmore">
                         <img src="/images/page_more.jpg" /></li>
                     <li id="nextpage" onclick="NextPage();">
                         <img src="/images/page_last.png" /></li>
                         <li id="lastpage" onclick="LastPage();"><img src="/images/lastpage.png" /></li>
                 </ul>
             </div>

ASP.NET页面代码

public void ProcessRequest(HttpContext context)
{
            context.Response.ContentType = "text/plain";
            int type = int.Parse(context.Request["type"]);
            string result = string.Empty;
            int index = int.Parse(context.Request["index"]);
            int size = int.Parse(context.Request["size"]);
            result = GetEnterpriseHonor(, index, size);

}

private string GetEnterpriseHonor(int type, int index, int size)
{
            DataTable dt = qd.SigleTabelPaging("iwms_news", "title,content", "classid=" + type, index, size, "articleid");
            if (dt.Rows.Count > )
            {
                Regex reg = new Regex(@"upload.*?\.[a-z]{3,}");//图片地址正则
                StringBuilder honorsb = new StringBuilder();
                foreach (DataRow dr in dt.Rows)
                {
                    string tem = dr["title"].ToString();
                    MatchCollection mcs = reg.Matches(dr["content"].ToString());//抓取图片地址
                    if (mcs.Count > )
                    {
                        if(tem.Length>){
                            honorsb.Append("<li onclick=\"HonorClick('/" + mcs[].ToString() + "')\"><a href='#'><img src='/" + mcs[].ToString() + "'></a><a href='#'>" + tem.Substring(, ) + "......</a></li>");
                        }else{
                            honorsb.Append("<li onclick=\"HonorClick('/" + mcs[].ToString() + "')\"><a href='#'><img src='/" + mcs[].ToString() + "'></a><a href='#'>" + tem+ "</a></li>");
                        }

                    }
                    else
                    {
                        if (tem.Length > )
                        {
                            honorsb.Append("<li onclick=\"HonorClick('/" + mcs[].ToString() + "')\"><a href='#'><img src='/" + mcs[].ToString() + "'></a><a href='#'>" + tem.Substring(, ) + "......</a></li>");
                        }
                        else
                        {
                            honorsb.Append("<li onclick=\"HonorClick('/" + mcs[].ToString() + "')\"><a href='#'><img src='/" + mcs[].ToString() + "'></a><a href='#'>" + tem + "</a></li>");
                        }
                    }

                    //honorsb.Append("<li onclick=\"HonorClick('"图片地址"')\"><a href='#'>" + dr["content"].ToString().Replace("upload/", "/upload/") + "</a><a href='#'>" + tem.Substring(tem.LastIndexOf('_') + 1) + "</a></li>");
                }
                honorsb.Append("@=" + dt.Rows[]["rc"].ToString());
                return honorsb.ToString();
            }
            return "";
}

private class MessageContent
        {
            /// <summary>
            /// 标识
            /// </summary>
            public string id { get; set; }
            /// <summary>
            /// 分类id
            /// </summary>
            public string classid {get;set;}
            /// <summary>
            /// 页大小
            /// </summary>
            public int pageSize { get; set; }
            /// <summary>
            /// 第几页
            /// </summary>
            public int pageIndex { get; set; }
            /// <summary>
            /// 主要内容
            /// </summary>
            public string content { get; set; }
            /// <summary>
            /// 总页数
            /// </summary>
            public string pageCount { get; set; }
            /// <summary>
            /// 获取数据类型
            /// </summary>
            public string requesttye { get; set; }
}
public bool IsReusable
 {
       get
        {
             return false;
         }
 }

AJAX请求处理