ASP.NET DataGrid Extension [Client Side Sortable/Dragable....] - Part I

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;

namespace CodeWorks
{
    class CheckBoxHeaderTemplate:ITemplate
    {
       private Color _selectColor;
       private Color _unSelectColor;  
       public CheckBoxHeaderTemplate(Color selectColor,Color unSelectColor)
       {
           this._selectColor = selectColor;
           this._unSelectColor = unSelectColor;
       }
       public  void InstantiateIn(Control container)
       {
           CheckBox chkSelect = new CheckBox();
           chkSelect.DataBinding += new EventHandler(this.OnDataBinding);
           chkSelect.Attributes.Add("onClick", "return ChangeSelection(this,'" + this._selectColor.Name  + "','" + this._unSelectColor.Name + "');");
           container.Controls.Add(chkSelect);
       }
       public void OnDataBinding(object sender, EventArgs e)
       {

       }
    }
}