(1)功能描述 在上个例子上加一个ID，并在页面中增加一个删除链接，向服务端发起删除请求，服务端接收请求后，删除学生对应的ID记录。修改XML数据。。。
HTML:
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>title> <script type="text/javascript" src="Jscript/jquery-1.4.2.min.js">script> <style type="text/css"> body{font-size:13px} .iframe{width:320px;border:solid 1px #666} .iframe .title{padding:5px;background-color:#eee;} .iframe .content{padding:8px; font-size:12px;} .btn {border:#666 1px solid;padding:2px;width:80px; filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr=#ffffff, EndColorStr=#ECE9D8);} style> <script type="text/javascript"> var arrGrade = new Array(980886, 980666); function lnk_Delete(i) { var btnYN = confirm("您真的要删除吗？"); if (btnYN) {
$.post("7-7.ashx?Id=" + i, function (data) { if (data) {
$("#Button1").click();
} else {
alert(data);
}
});
}
}
$(function () { $("#Button1").click(function () { var strHTML = "";
$.ajax({
url: '7-7.xml',
dataType: 'xml',
success: function (data) { $.each(arrGrade, function (i) { var $strUser = $(data).find("User[grade=" + arrGrade[i] + "]");
strHTML += "
年级：" + arrGrade[i] + "
";
$strUser.each(function () { var $strId = $(this).children("id").text();
strHTML += "编号：" +$strId+"删除 " strHTML += "姓名：" + $(this).children("name").text() + "
";
strHTML += "性别：" + $(this).children("sex").text() + "
";
strHTML += "邮箱：" + $(this).children("email").text() + "
";
});
});
$("#Tip").html(strHTML);
}
});
});
}); script> head> <body> <div class="iframe"> <div class="title"> <input id="Button1" type="button" class="btn" value="获取数据" /> div> <div class="content"> <div id="Tip">div> div> div> body> html>
服务端：
<%@ WebHandler Language="C#" Class="_7_7" %> using System; using System.Web; using System.Xml; public class _7_7 : IHttpHandler { public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain"; string strId = context.Request.QueryString["Id"].ToString(); int intStatus = 0;
XmlDocument xmlDoc = new XmlDocument(); try {
xmlDoc.Load(context.Server.MapPath("7-7.xml"));
XmlNodeList xmlNodeList = xmlDoc.SelectNodes("Info/User[id='" + strId + "']");
XmlNode xmlNode = xmlNodeList.Item(0);
xmlNode.ParentNode.RemoveChild(xmlNode);
xmlDoc.Save(context.Server.MapPath("7-7.xml")); int Status = 1;
} catch (Exception) { throw;
}
context.Response.Write(intStatus);
} public bool IsReusable { get { return false;
}
}
}
