繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP > 一个ASP.NET+XML留言本例子
- ASP
- 用asp执行DTC
- 利用ADODB.Stream使用浏览器下载服务器文件
- 应用数据库的唯一性约束并在asp中捕捉数据库的错误
- 用ASP编程控制在IIS建立Web站点
- asp实现k线图(在线)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(7)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(6)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(5)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(4)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(3)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(2)
- 在ASP中用EasyMailObject组件处理Exchange邮件源代码(1)
- 用文本+ASP打造新闻发布系统。几点补充
- 用文本+ASP打造新闻发布系统(五)新闻修改
- 用文本+ASP打造新闻发布系统(四)新闻删除
- 用文本+ASP打造新闻发布系统(三)新闻列表显示
- 用文本+ASP打造新闻发布系统(二)新闻添加
- ASP作的剪包锤游戏
- ASP注册表项目修改
- 构建稳定的服务器端组件的七个步骤
一个ASP.NET+XML留言本例子
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 164 ::
收藏到网摘: n/a
viewguestbook.aspx--察看所有留言
Header.inc
guestpost.aspx--留言表单及XML写操作
Footer.inc
Guest.xml--XML数据
源代码如下：
viewguestbook.aspx
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Data" %>
<%@ Assembly Name="System.Xml" %>
<%@ Import Namespace="System.Xml" %>
<%@ Page Language="C<%-- Needed Assembiles --%>
<html>
<head>
<title>Welcome to Saurabh's GuestBook.</title>
<script language="C //run the script when the Page is Loaded
public void Page_Load(Object sender, EventArgs e)
{
// an label , its use stated later
tryagain :
//the path to the Xml file which will contain all the data
//modify this if you have any other file or directory mappings.
//modify this if you have been directed here from Step 2 of the ReadMe file.
string datafile = "db/guest.xml" ;
//try-Catch block to read from an XML file
try
{
//make an instance to the XMLDataDocument class
//this class can read from an xml file in and ordered format
XmlDataDocument datadoc = new XmlDataDocument();
// Infer the DataSet schema from the XML data and load the XML Data
datadoc.DataSet.ReadXml(new StreamReader(Server.MapPath(datafile)));
//Databind the first table in the Dataset to the Repeter
MyDataList.DataSource = datadoc.DataSet.Tables[0].DefaultView;
MyDataList.DataBind();
//free up the XML file to be used by other programs
datadoc=null;
}
catch(IOException ed)
{
// Here I am for now trying to overcome a bug in my guestbook exapmle
//the Bug is that only one class can either read or write to my XML
// data file at a time.
//If the file is being used my some some other page (eg the guest book viewing page)
// then an IOException will be thrown
// So to handle such situtations what we do is that
// If an IOException is thrown the page goes again to the tryagain label
//and tries to write again into the xml file
//this goes on till finally the resource is freed and the xml file is written to.
goto tryagain ;
}
catch (Exception edd)
{
//catch any other exceptions that occur
errmess.Text="Cannot read from XML file because "+edd.ToString() ;
}
}
</script>
<LINK href="mystyle.css" type=text/css rel=stylesheet>
</head>
<body topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" rightmargin="0">
<!-- <asp:label id="errmess" text="" style="color:<br>
<h3 align="center" class="newsbody">My Guestbook.</h3>
<ASP:Repeater id="MyDataList" runat="server">
<template name="headertemplate">
<table class="mainheads" width="100%" style="font: 8pt verdana">
<tr style="background-color: <th>
Name
</th>
<th>
Country
</th>
<th>
</th>
<th>
Comments
</th>
<th>
Date/Time
</th>
</tr>
</template>
<template name="itemtemplate">
<tr style="background-color: <td>
<% </td>
<td>
<% </td>
<td>
<% </td>
<td>
<% </td>
<td>
<% </td>
</tr>
</template>
<template name="footertemplate">
</table>
</template>
</ASP:Repeater>
<!-- </body>
</html>
viewpost.aspx
<
评论 (0) All
