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("
container.Controls.Add(lblAuthor);
container.Controls.Add(new LiteralControl("
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" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
void Page_Load()
{
ArticleWithDefault1.Title = "Creating Templated Databound Controls";
ArticleWithDefault1.Author = "AAA";
ArticleWithDefault1.Contents = "content";
ArticleWithDefault1.DataBind();
}
Show Article with Default Template
Runat="server" />