In this blog we will know when we will click one value link of repeater in runtime all its related values will be displayed.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Repeater_within_Repeater._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>Untitled Page</title>

<style type="text/css">

.header

{

font-size: larger; font-weight: bold; cursor: hand; cursor:pointer;

background-color:yellow; font-family: Verdana;

}

.details

{

display:none; visibility:hidden; background-color:red;

font-family: Verdana;

}

</style>

<script language="JavaScript" type="text/javascript">

function ToggleDisplay(id)

{

var elem = document.getElementById('d' + id);

if (elem)

{

if (elem.style.display != 'block')

{

elem.style.display = 'block';

elem.style.visibility = 'visible';

}

else

{

elem.style.display = 'none';

elem.style.visibility = 'hidden';

}

}

}

</script>

</head>

<body>

<form id="form1" runat="server">

<div>

<asp:Repeater id="r1" runat="server">

<ItemTemplate>

<div id='h<%# Eval("ItemIndex") %>' class="header"

onclick='ToggleDisplay(<%# Eval("ItemIndex") %>);'>

<%# Eval("sid")%>

</div>

<div id='d<%# Eval("ItemIndex") %>' class="details">

<b>Name:</b> <%# Eval("sname")%><br />

<b>Address:</b> <%# Eval("saddress")%><br />

<b>Marks:</b> <%# Eval("smarks")%><br />

</div>

</ItemTemplate>

</asp:Repeater>

</div>

</form>

</body>

</html>

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

namespace Repeater_within_Repeater

{

public partial class _Default : System.Web.UI.Page

{

string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

SqlCommand com;

SqlDataAdapter sqlda;

DataSet ds;

string str;

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

bindrepeater();

}

}

void bindrepeater()

{

SqlConnection con = new SqlConnection(connStr);

con.Open();

str = "select * from student";

com = new SqlCommand(str, con);

sqlda = new SqlDataAdapter(com);

ds = new DataSet();

sqlda.Fill(ds,"student");

r1.DataSource = ds;

r1.DataMember="student";

r1.DataBind();

con.Close();

}

}

}