ASP.NET2.0的XmlDataSource获取Blog

来源:互联网 发布:dbscan聚类算法 java 编辑:程序博客网 时间:2024/03/29 14:39

本文是按照[孟子E章] 上的一篇文章稍作修改而成的。

在此主要把代码贴出来:

页面文件Default2.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!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 runat="server">
    <title>无标题页</title>
   
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
    <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="获取Blog" />
        &nbsp;
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:Repeater ID="Repeater1" runat="server" DataSourceID="XmlDataSource1">
      <ItemTemplate>
        <div style="border: 1px solid orange; padding: 5px">
          <div style="background-color: #EFEFEF; padding: 5px">
            <asp:HyperLink runat="server" ID="a" NavigateUrl='<%#XPath("link") %>'>
            <%#XPath("title")%></asp:HyperLink>
            [<%#(DateTime.Parse(XPath("pubDate").ToString().Replace("GMT",""))).ToString("yyyy年M月d日")%>]
          </div>
          <div style="text-indent: 45px">
            <%#XPath("description")%>
          </div>
        </div>
        <br />
      </ItemTemplate>
      <HeaderTemplate>
        <h2>
          <a href="<%#RSSHref _fcksavedurl=""<%#RSSHref" _fcksavedurl=""<%#RSSHref" %>">
            <%#RSSTitle %>
          </a>
        </h2>
      </HeaderTemplate>
    </asp:Repeater>
        <asp:XmlDataSource ID="XmlDataSource1" runat="server"></asp:XmlDataSource>
    </div>
    </form>
</body>
</html>

代码文件:Default2.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Default2 : System.Web.UI.Page
{
    public string RSSTitle = "";
    public string RSSHref = "";

    protected void Page_Load(object sender, EventArgs e)
    {
        //    System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
        //    doc.Load("
http://blog.csdn.net/teng_s2000/Rss.aspx");
        //    XmlDataSource1.Data = doc.InnerXml;
        //    XmlDataSource1.XPath = "/rss/channel/item";

        //Label2.Text = "<%# XPath('/rss/channel/title') %>";
        try
        {
            XmlDataSource1.DataFile = "
http://blog.csdn.net/teng_s2000/Rss.aspx";
            XmlDataSource1.XPath = "rss/channel/item";
            System.Xml.XmlDocument doc = XmlDataSource1.GetXmlDocument();
            RSSTitle = doc.SelectSingleNode("//channel/title").InnerText;
            RSSHref = doc.SelectSingleNode("//channel/link").InnerText;

        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        try
        {
            XmlDataSource1.DataFile = TextBox1.Text;
            XmlDataSource1.XPath = "rss/channel/item";
            System.Xml.XmlDocument doc = XmlDataSource1.GetXmlDocument();
            RSSTitle = doc.SelectSingleNode("//channel/title").InnerText;
            RSSHref = doc.SelectSingleNode("//channel/link").InnerText;
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
    }
}

 如果想在gridview中显示Blog中的信息,可以利用下面的代码(首先要确保xmldatasource连接好)

<asp:GridView ID="GridView1" runat="server" DataSourceID="XmlDataSource1" AutoGenerateColumns="False">
    
<Columns>
        
<asp:TemplateField HeaderText="文章标题">
            
<ItemTemplate>
                
<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl=‘<%# XPath("link") %>’ Target="_blank"><%# XPath("title"%>></asp:HyperLink>
                 [
<%# (DateTime.Parse(XPath("pubDate").ToString().Replace("GMT"""))).ToString("yyyy年M月d日"%>]
            
</ItemTemplate>
        
</asp:TemplateField>
    
</Columns>
</asp:GridView>

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