Mega Code Archive
ObjectDataSource based on XML
<![CDATA[
<%@ Page Language="C#" %>
<!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>Articles</title>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False" DataSourceID="ArticlesODS">
<Columns>
<asp:BoundField DataField="Year"
HeaderText="Year" SortExpression="Year" />
<asp:BoundField DataField="Month"
HeaderText="Month" SortExpression="Month" />
<asp:BoundField DataField="Title"
HeaderText="Title" SortExpression="Title" />
<asp:BoundField DataField="Content"
HeaderText="Content" SortExpression="Content" />
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="ArticlesODS" runat="server"
SelectMethod="GetArticles" TypeName="Articles">
<SelectParameters>
<asp:QueryStringParameter DefaultValue="2006"
Name="year" QueryStringField="year"
Type="String" />
<asp:QueryStringParameter DefaultValue="01"
Name="month" QueryStringField="month"
Type="String" />
</SelectParameters>
</asp:ObjectDataSource>
</form>
</body>
</html>
File: ArticleData.cs
using System;
using System.Collections.Generic;
class ArticleData
{
public void GetArticles(List<Article> articles, string year, string month)
{
DataSet dsArticles = new DataSet();
dsArticles.ReadXml(HttpContext.Current.Server.MapPath("Data.xml"));
DataView dvArticles = new DataView(dsArticles.Tables["article"]);
dvArticles.RowFilter =
"year = '" + year + "' " +
"and month = '" + month + "'";
Article currArticle = null;
IEnumerator articleRows = dvArticles.GetEnumerator();
while (articleRows.MoveNext())
{
DataRowView articleRow = (DataRowView)articleRows.Current;
currArticle = new Article(
(string)articleRow["year"],
(string)articleRow["month"],
(string)articleRow["title"],
(string)articleRow["content"]);
articles.Add(currArticle);
}
}
}
class Article
{
private string m_year;
public string Year
{
get { return m_year; }
set { m_year = value; }
}
private string m_month;
public string Month
{
get { return m_month; }
set { m_month = value; }
}
private string m_title;
public string Title
{
get { return m_title; }
set { m_title = value; }
}
private string m_content;
public string Content
{
get { return m_content; }
set { m_content = value; }
}
public Article(string year, string month, string title, string content)
{
Year = year;
Month = month;
Title = title;
Content = content;
}
}
public class Articles : List<Article>
{
public List<Article> GetArticles(string year, string month)
{
ArticleData dal = new ArticleData();
dal.GetArticles(this, year, month);
return this;
}
}
File: Data.xml
<?xml version="1.0" encoding="utf-8" ?>
<articles>
<article>
<year>2005</year>
<month>05</month>
<title>Title6</title>
<content>This is the text of Title6.</content>
</article>
<article>
<year>2005</year>
<month>06</month>
<title>Title7</title>
<content>This is the text of Title7.</content>
</article>
</articles>
]]>