I am trying to create nested repeaters dynamically using ITemplate. This repeater is like that I am passing List<Control> and it generates repeater. Issue is that when I databound outer repeater. Only the last nested repeater shows. Following is screen shot.
Markup
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Restricted_Default" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="border:solid 1px black;">
<tr>
<td>
<asp:PlaceHolder ID="phControls" runat="server" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
Code Behind
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class Restricted_Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
CreateNestedRepeater();
}
private void CreateNestedRepeater()
{
Repeater childRpt = new Repeater();
List repeatingRuleControls = new List();
repeatingRuleControls.Add(new TextBox());
repeatingRuleControls.Add(new TextBox());
repeatingRuleControls.Add(new TextBox());
RepeatingRuleTemplate repeatingRuleTemplate = new RepeatingRuleTemplate(ListItemType.Item, repeatingRuleControls);
childRpt.HeaderTemplate = new RepeatingRuleTemplate(ListItemType.Header, repeatingRuleControls);
childRpt.ItemTemplate = repeatingRuleTemplate;
childRpt.FooterTemplate = new RepeatingRuleTemplate(ListItemType.Footer, null);
childRpt.DataSource = new DataRow[4];
Repeater parentRpt = new Repeater();
repeatingRuleControls = new List();
repeatingRuleControls.Add(new TextBox());
repeatingRuleControls.Add(new TextBox());
repeatingRuleControls.Add(new TextBox());
repeatingRuleControls.Add(childRpt);
RepeatingRuleTemplate parentrepeatingRuleTemplate = new RepeatingRuleTemplate(ListItemType.Item, repeatingRuleControls);
parentRpt.HeaderTemplate = new RepeatingRuleTemplate(ListItemType.Header, repeatingRuleControls);
parentRpt.ItemTemplate = parentrepeatingRuleTemplate;
parentRpt.FooterTemplate = new RepeatingRuleTemplate(ListItemType.Footer, null);
parentRpt.DataSource = new DataRow[4];
parentRpt.DataBind();
phControls.Controls.Add(parentRpt);
}
public class RepeatingRuleTemplate : ITemplate
{
ListItemType templateType;
List innerControls;
public RepeatingRuleTemplate(ListItemType type, List controls)
{
templateType = type;
innerControls = controls;
}
public void InstantiateIn(Control container)
{
PlaceHolder ph = new PlaceHolder();
switch (templateType)
{
case ListItemType.Header:
ph.Controls.Add(new LiteralControl(""));
ph.Controls.Add(new LiteralControl(""));
foreach (Control control in innerControls)
{
Label label = new Label();
label.Text = control.ID;
ph.Controls.Add(new LiteralControl(""));
ph.Controls.Add(label);
ph.Controls.Add(new LiteralControl(""));
}
ph.Controls.Add(new LiteralControl(""));
break;
case ListItemType.Item:
ph.Controls.Add(new LiteralControl(""));
foreach (Control control in innerControls)
{
if (control.GetType() != typeof(Repeater))
{
ph.Controls.Add(new LiteralControl(""));
TextBox textBox = new TextBox();
textBox.ID = control.ID;
ph.Controls.Add(textBox);
ph.Controls.Add(new LiteralControl(""));
}
else
{
ph.Controls.Add(new LiteralControl(""));
ph.Controls.Add(control as Repeater);
//(control as Repeater).DataSource = new DataRow[4];
// (control as Repeater).DataBind();
ph.Controls.Add(new LiteralControl(""));
}
}
ph.Controls.Add(new LiteralControl(""));
//ph.DataBinding += new EventHandler(Item_DataBinding);
break;
case ListItemType.Footer:
ph.Controls.Add(new LiteralControl(""));
break;
}
container.Controls.Add(ph);
}
public List Controls
{
get
{
return innerControls;
}
}
}
}