C#應用WebService聯合jQuery完成無刷新翻頁的辦法。本站提示廣大學習愛好者:(C#應用WebService聯合jQuery完成無刷新翻頁的辦法)文章只能為提供參考,不一定能成為您想要的結果。以下是C#應用WebService聯合jQuery完成無刷新翻頁的辦法正文
本文實例講述了C#應用WebService聯合jQuery完成無刷新翻頁的辦法。分享給年夜家供年夜家參考。詳細以下:
1. 起首創立數據庫、表Article,字段ArticleId,Title
前台代碼
<%@ Page Language="C#" AutoEventWireup="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
<script src="jquery-1.6.4.min.js" type="text/javascript"></script>
</head>
<body>
<form id="form1" runat="server">
<div id="result">
</div>
</form>
<script type="text/javascript">
var pageNo = 1; //以後頁號
var pageItems = 10; //每頁顯示的行數,這個數字與da.Fill(ds,pageNo,3,"gbook");外面的3堅持分歧
var MaxPage = pageItems;
function showPage(m) {
if (m == -1) {
if (pageNo < 2) {
alert("曾經到了首頁");
return;
};
MaxPage = pageItems;
}
else {
if (MaxPage < pageItems) {
alert("曾經到了末頁");
return;
};
}
pageNo += m;
getData();
}
$(document).ready(function () {
getData();
});
function getData() {
$.ajax({
type: "POST",
cache: false,
url: "WebService3.asmx/Select",
/* 留意前面的名字對應CS的辦法稱號 */
data: { "pageNo": (pageNo - 1) * pageItems },
/* 留意參數的格局和稱號 */
contentType: "application/x-www-form-urlencoded",
dataType: "xml",
error: function (result) {
alert(result.responseText);
},
success: function (data) {
MaxPage = $(data).find('Article').size();
/* Article是後台輸入的表稱號,要與後台對應 */
if (MaxPage == 0) {
$("#result").html("沒有記載");
return;
}
t = "<table border='1'>";
$(data).find('Article').each(function (index, ele) {
/* Article是後台輸入的表稱號,要與後台對應 */
var ArticleId = $(ele).find('ArticleId').text();
var Title = $(ele).find('Title').text();
t += "<tr>";
t += "<td>" + ArticleId + "</td>";
t += "<td>" + Title + "</td>";
t += "</tr>";
})
t += "</table>";
t += "<div><a href='' onclick='showPage(-1);return false;'>上一頁</a> <a href='' onclick='showPage(1);return false;'>下一頁</a></div>"
$("#result").html(t);
}
});
}
</script>
</body>
</html>
2. 後台代碼
using System.Data;
using System.Data.SqlClient;
using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
//若要許可應用 ASP.NET AJAX 從劇本中挪用此 Web 辦事,請撤消對下行的正文
[System.Web.Script.Services.ScriptService]
public class WebService3 : System.Web.Services.WebService
{
[WebMethod]
public System.Data.DataSet Select(int pageNo)
{
System.Data.SqlClient.SqlConnection sqlCon = new SqlConnection();
sqlCon.ConnectionString = "server=.;uid=sa;pwd=sa;database=guestbook";
//界說SQL語句
string SqlStr = "SELECT ArticleId,Title FROM Article ORDER BY ArticleId DESC";
//實例化SqlDataAdapter對象
SqlDataAdapter da = new SqlDataAdapter(SqlStr, sqlCon);
DataSet ds = new DataSet();
da.Fill(ds, pageNo, 10, "Article");
return ds;
}
}
願望本文所述對年夜家的C#法式設計有所贊助。