public DataTable GetData(){string orderBy = "pic_id";int pageIndex = int.Parse(Request["pageIndex"]);int pageSize = int.Parse(Request["pageSize"]);string sql = @"
declare @startRowIndex int
set @pageIndex=@pageIndex-1
set @startRowIndex=@pageIndex*@pageSize+1;WITH PICList AS
( select pic_id,user_id,orginpath,description,thumpath, commpeople,click,ROW_NUMBER() OVER (ORDER BY pic_id DESC) as RowNum FROM    love_pics where isapproved=1
)Select * from  PICList WHERE RowNum BETWEEN @startRowIndex AND (@startRowIndex + @pageSize-1)  order by " + orderBy + @" desc " ;DataTable ds = new DataTable();SqlConnection conn = new SqlConnection(System.Web.Configuration.WebConfigurationManager.ConnectionStrings["con"].ConnectionString);SqlCommand dCmd = new SqlCommand();dCmd.Parameters.AddWithValue("@pageIndex", pageIndex);dCmd.Parameters.AddWithValue("@pageSize", pageSize);dCmd.Parameters.AddWithValue("@orderBy", orderBy);dCmd.CommandText = sql;dCmd.Connection = conn;SqlDataAdapter da = new SqlDataAdapter();da.SelectCommand = dCmd;da.Fill(ds);return ds;}

  public int pageindex = 1;protected void Page_Load(object sender, EventArgs e){if (!string.IsNullOrEmpty(Request.QueryString["currentpage"])){pageindex = int.Parse(Request.QueryString["currentpage"]);}string sql = " Select count(*) from love_pics where isapproved=1 ";// string i = DBHelper.Instance.ExeScalar(sql).ToString();string i = "1000";//执行上面SQL语句，即可返回记录说，这里使用了硬编码，加上是100页//附带的1=1只是用于演示如何自带参数litPaging2.Text = litPaging1.Text = Pagination(int.Parse(i), 200, pageindex, "pic.aspx?1=1&");}

var pics=new Array()var ids=new Array();var intros=new Array(); var uids=new Array();
var clicks=new Array();
var comms=new Array();$.getJSON('ajax_getpics.aspx',{ pageIndex: <%=pageindex%>, PageSize: "200", random: Math.random() },function (data) {$.each(data, function (i, entry) {pics[i]=entry['orginpath'];ids[i]=entry["pic_id"];intros[i]=entry["description"];uids[i]=entry["user_id"];clicks[i]=entry["click"];comms[i]=entry["commpeople"];});//do detect

 // 页面加载初始创建create: function () {this.columnNumber = Math.floor(document.body.clientWidth / this.columnWidth);var start = 0, htmlColumn = '', self = this;for (start; start < this.columnNumber; start += 1) {htmlColumn = htmlColumn + '<span id="waterFallColumn_' + start + '" class="column" style="width:' + this.columnWidth + 'px;">' +function () {var html = '', i = 0;for (i = 0; i < 5; i += 1) {self.indexImage = start + self.columnNumber * i;var index = self.getIndex();html = html + '   <a class="highslide pic_a" οnclick="return hs.expand(this)" href='+index+'  ><img src=' + index+' /><strong>'+self.getIntro().substring(0,50)+'</strong>  <br> <span class=pro> '+self.getClick()+' click &nbsp;&nbsp;&nbsp;&nbsp; '+ self.getComm()+' comment </span> </a><div class="highslide-caption">'+self.getIntro()+' <a target=_blank href=userinfo.aspx?id='+self.getUid()+'>查看用户</a> |  <a  target=_blank href=picdetail.aspx?pid='+self.getId()+'>查看图片('+self.getClick()+')</a> </div> ';}return html;} () +'</span> ';}htmlColumn += '<span id="waterFallDetect" class="column" style="width:' + this.columnWidth + 'px;"></span>';this.container.innerHTML = htmlColumn;this.detectLeft = document.getElementById("waterFallDetect").offsetLeft;return this;},

        // 滚动载入append: function (column) {this.indexImage += 1;var html = '',  index = this.getIndex(),  imgUrl = index;// 图片尺寸var aEle = document.createElement("div");aEle.className = "pic_a";aEle.innerHTML = ' <a class="highslide pic_a" οnclick="return hs.expand(this)" href='+imgUrl+'><img src=' + imgUrl + ' /><strong>'+this.getIntro()+'</strong></a>';column.appendChild(aEle);if (this.indexImage >= 200) {this.loadFinish = true;}return this;},