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File: ArticleWithDefault.cs
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace myControls
{
public class ArticleWithDefault : CompositeControl
{
private string _title;
private string _author;
private string _contents;
private ITemplate _itemTemplate;
public string Title
{
get { return _title; }
set { _title = value; }
}
public string Author
{
get { return _author; }
set { _author = value; }
}
public string Contents
{
get { return _contents; }
set { _contents = value; }
}
[TemplateContainer(typeof(ArticleWithDefault))]
[PersistenceMode(PersistenceMode.InnerProperty)]
public ITemplate ItemTemplate
{
get { return _itemTemplate; }
set { _itemTemplate = value; }
}
protected override void CreateChildControls()
{
if (_itemTemplate == null)
_itemTemplate = new ArticleDefaultTemplate();
_itemTemplate.InstantiateIn(this);
}
}
public class ArticleDefaultTemplate : ITemplate
{
public void InstantiateIn(Control container)
{
Label lblTitle = new Label();
lblTitle.DataBinding += new EventHandler(lblTitle_DataBinding);
Label lblAuthor = new Label();
lblAuthor.DataBinding += new EventHandler(lblAuthor_DataBinding);
Label lblContents = new Label();
lblContents.DataBinding += new EventHandler(lblContents_DataBinding);
container.Controls.Add(lblTitle);
container.Controls.Add(new LiteralControl("<br />"));
container.Controls.Add(lblAuthor);
container.Controls.Add(new LiteralControl("<br />"));
container.Controls.Add(lblContents);
}
void lblTitle_DataBinding(object sender, EventArgs e)
{
Label lblTitle = (Label)sender;
ArticleWithDefault container = (ArticleWithDefault)lblTitle. NamingContainer;
lblTitle.Text = container.Title;
}
void lblAuthor_DataBinding(object sender, EventArgs e)
{
Label lblAuthor = (Label)sender;
ArticleWithDefault container = (ArticleWithDefault)lblAuthor. NamingContainer;
lblAuthor.Text = container.Author;
}
void lblContents_DataBinding(object sender, EventArgs e)
{
Label lblContents = (Label)sender;
ArticleWithDefault container = (ArticleWithDefault)lblContents. NamingContainer;
lblContents.Text = container.Contents;
}
}
}
File: Default.aspx
<%@ Page Language="C#" %>
<%@ Register TagPrefix="custom" Namespace="myControls" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Page_Load()
{
ArticleWithDefault1.Title = "Creating Templated Databound Controls";
ArticleWithDefault1.Author = "AAA";
ArticleWithDefault1.Contents = "content";
ArticleWithDefault1.DataBind();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Article with Default Template</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<custom:ArticleWithDefault
id="ArticleWithDefault1"
Runat="server" />
</div>
</form>
</body>
</html>
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