<form id="form1" runat="server">
    <div>
          <asp:GridView runat="server" ID="Grd" AutoGenerateColumns="false" OnRowDataBound="OnDataBound">
              <Columns>
                 <asp:BoundField DataField="agent_cd" HeaderText="Agent Cd" />
                 <asp:TemplateField HeaderText ="Agent Details">
                    <ItemTemplate>
                        <asp:GridView ID="ChldGrid" runat="server">
                            <Columns>
                                <asp:BoundField DataField="agent_name" HeaderText="Agent Cd" />
                                <asp:BoundField DataField="address1" HeaderText="Address" />
                                <asp:BoundField DataField="city" HeaderText="City" />
                                <asp:BoundField DataField="state" HeaderText="State" />
                            </Columns>
                        </asp:GridView>
                    </ItemTemplate>
                 </asp:TemplateField>
              </Columns>
          </asp:GridView>
    </div>
    </form>

//Code for binding the GridView
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class NestedGridView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        BindData();
    }
    private void BindData()
    {
        try
        {
            SqlConnection conn = new SqlConnection("");
            conn.Open();

            DataTable dt = new DataTable();
            SqlDataAdapter ADA = new SqlDataAdapter("", conn);
            ADA.Fill(dt);
            Grd.DataSource = dt;
            Grd.DataBind();
        }
        catch (Exception E)
        {
            string str = E.Message;
        }
    }
    protected void OnDataBound(object sender , GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            GridView Grd = (GridView)e.Row.FindControl("ChldGrid");
            DataTable dt = new DataTable("TEST");
            dt.Columns.Add("agent_cd");
            dt.Columns.Add("agent_name");
            dt.Columns.Add("address1");
            dt.Columns.Add("city");
            dt.Columns.Add("state");
            dt.ReadXml(Server.MapPath("Data.xml"));
            Grd.DataSource = dt;
            Grd.DataBind();
        }
    }
}

<?xml version="1.0" standalone="yes"?>
<DocumentElement>
  <TEST>
    <agent_cd>00000026</agent_cd>
    <agent_name>TROPIC ICE INCORPORATED</agent_name>
    <address1>2805 N COMMERCE PKWY</address1>
    <city>MIRAMAR</city>
    <state>FL</state>
  </TEST>
</DocumentElement>

Attachments