Using the SPGridView in custom code

ApplicationPage.aspx

<%@ Assembly Name="Microsoft.SharePoint, Version=12.0.0.0, 
Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<%@ Assembly Name="CustomApplicationPages, Version=1.0.0.0, 
Culture=neutral, PublicKeyToken=d4e5777b16a5749f" %>

<%@ Page Language="C#" MasterPageFile="~/_layouts/application.master" 
Inherits="CustomApplicationPages.ApplicationPage" EnableViewState="false" EnableViewStateMac="false" %>

<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" 
Assembly="Microsoft.SharePoint,Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 

<asp:Content ID="Main" contentplaceholderid="PlaceHolderMain" runat="server">
   
<SharePoint:SPGridView runat="server" 
                       ID="grid" 
                       AutoGenerateColumns="false"
                       RowStyle-BackColor="#DDDDDD"
                       AlternatingRowStyle-BackColor="#EEEEEE" />    
</asp:Content>

<asp:Content ID="PageTitle" contentplaceholderid="PlaceHolderPageTitle" runat="server">SharePoint GridView</asp:Content>

<asp:Content ID="PageTitleInTitleArea" contentplaceholderid="PlaceHolderPageTitleInTitleArea" runat="server">
 Application Page : Using the SPGridView control
</asp:Content>

ApplicationPage.cs

using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using Microsoft.SharePoint;
using Microsoft.SharePoint.WebControls;

namespace CustomApplicationPages {

  public class ApplicationPage : LayoutsPageBase {

    // add control fields to match controls tags on .aspx page
    protected SPGridView grid;

    protected override void OnLoad(EventArgs e) {
       
       grid = new SPGridView();
       grid.AutoGenerateColumns = false ; 
       grid.CssClass = "ms-listviewtable";
       grid.AlternatingRowStyle.CssClass = "ms-alternating";
       grid.Width = new Unit(50, UnitType.Percentage);
       grid.GridLines = GridLines.None;
       grid.HeaderStyle.Font.Bold = true;
       grid.HeaderStyle.HorizontalAlign = HorizontalAlign.Left;

       DataTable table = new DataTable();
      //TO DO : Populate the DataTable here   <-----

      SPBoundField col= new SPBoundField();
      col.HeaderText = "Product Name";
      col.DataField = "ProductName";

    grid.Columns.Add(col);
    Controls.Add(grid);

    grid.DataSource = table.DefaultView;
    grid.DataBind();

    }
  }
}