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前台HTML页
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>无刷新分页</title>
<style type="text/css">
table
{
border: 1px solid #444;
width: 800px;
height: 800px;
}
table td
{
border: solid 1px #444;
}
</style>
<script src="js/Jquery1.7.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
var pageindex = 1;
var pagesize = 10;
var lastpageindex = 1;
/*如果将代码封装成一个函数，那么除非显示调用(loaddata())，否则函数中的代码不会执行
根据传递的页码和每页显示的记录数量获取数据
*/
loaddate();
function loaddate() {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetListAjax",
data: "{pagesize:" + pagesize + ",pageindex:" + pageindex + "}",
success: function (result) {
var strtable = "<table>";
strtable += '<tr><td>编号</td><td>标题</td><td>内容</td><td>创建时间</td></tr>';
for (var i = 0; i < result.d.length; i++) {
strtable += '<tr>';
strtable += '<td>' + result.d[i].Id + '</td>';
strtable += '<td>' + result.d[i].NewsTitle + '</td>';
strtable += '<td>' + result.d[i].NewsContent + '</td>';
strtable += '<td>' + result.d[i].CreateTime.toString("yyyy-MM-dd hh:mm:ss") + '</td>';
strtable += '</tr>';
}
strtable += '</table>';
$('#mydiv').html(strtable);
}
});
}
//根据传递到后台的每页显示的记录数量来获取最大的页码(就是一共有多少页)
$.ajax({
type: "post",
url: "WebService1.asmx/GetLastPageindex",
data: "{pagesize:" + pagesize + "}",
success: function (result) {
lastpageindex = result.d;
//alert(lastpageindex);
}
});
//首页
$('a:first').click(function () {
pageindex = 1;
loaddate();
});
//上一页
$('a:eq(1)').click(function () {
if (pageindex > 1) {
pageindex--;
loaddate();
}
});
//下一页
$('a:eq(2)').click(function () {
if (pageindex < lastpageindex) {
pageindex++;
loaddate();
}
});
//最后一页
$('a:eq(3)').click(function () {
pageindex = lastpageindex;
loaddate();
});
//go
$('a:last').click(function () {
var goindex = $('#txtPageindex').val();
pageindex = goindex;
loaddate();
});
})
</script>
</head>
<body>
<div id="mydiv">
</div>
<div>
<a href="#">第一页</a><a href="#">上一页</a><a href="#">下一页</a><a href="#">最后一页</a>
<input id="txtPageindex" type="text" /><a href="#">Go</a>
</div>
</body>
</html>
WebService1.asmx
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;
namespace _0521存储过程
{
/// <summary>
/// WebService1 的摘要说明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
[System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld()
{
return "Hello World";
}
//分页获取数据列表
[WebMethod]
public List<Model.T_News1> GetListAjax(int pagesize,int pageindex)
{
BLL.T_News1 bnew = new BLL.T_News1();
DataTable dt= bnew.GetListDataTable(pagesize,pageindex);
List<Model.T_News1> list = new List<Model.T_News1>();
int Id;
string newstitle="";
string newscontent="";
string createtime;
for (int i = 0; i < dt.Rows.Count; i++)
{
Id=Convert.ToInt32(dt.Rows[i]["Id"]);
newstitle=dt.Rows[i]["NewsTitle"].ToString();
newscontent=dt.Rows[i]["NewsContent"].ToString();
createtime=Convert.ToDateTime(dt.Rows[i]["CreateTime"]).ToString("yyyy-MM-dd hh:mm:ss");
Model.T_News1 news = new Model.T_News1() {
Id = Id,
NewsTitle = newstitle,
NewsContent = newscontent,
CreateTime = Convert.ToDateTime(createtime)
};
//news.Id = Id;
//news.NewsTitle = newstitle;
//news.NewsContent = newscontent;
//news.CreateTime = createtime;
list.Add(news);
}
return list;
}
[WebMethod]
public int GetLastPageindex(int pagesize)
{
BLL.T_News1 bnews = new BLL.T_News1();
int totalcount= bnews.GetRecordCount("");
if (totalcount % pagesize == 0)
{
return totalcount / pagesize;
}
else
{
return totalcount/pagesize+1;
}
}
}
}
DataAccess层
DbHelperSQL.cs
public static DataTable RunProcedureDataTable(string storedProcName,IDataParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataTable dt = new DataTable();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection,storedProcName,parameters);
sqlDA.Fill(dt);
connection.Close();
return dt;
}
}
DAL层
/// <summary>
/// 分页获取数据列表
/// </summary>
public DataTable GetListDataTable(int PageSize,int PageIndex)
{
SqlParameter[] parameters = {
new SqlParameter("@PageSize",SqlDbType.Int),
new SqlParameter("@PageIndex",SqlDbType.Int)
};
parameters[0].Value = PageSize;
parameters[1].Value = PageIndex;
return DbHelperSQL.RunProcedureDataTable("pro_fenye",parameters);
}
sqlserver 存储过程
CREATE PROC pro_fenye
@pagesize int,
@pageindex int
as
select * from(
select Row_number() over(order by Id) as rownumber,*from T_News1
)T
where rownumber>(@pageindex-1)*@pagesize AND rownumber<=@pageindex*@pagesize
go
exec pro_fenye 5,1 （编辑：李大同）
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