OnClick EventHandler is lost when dynamically moving a Button into a DetailsView grid cell

Default.aspx.cs:
 
using System;
using System.Data;
using System.Configuration;
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 _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
       DetailsView1.DataBind();
 
       DetailsView1.Visible = true;
    }
   protected void Button1_Click(object sender, EventArgs e)
   {
      TextBox1.Text = "You clicked Button1!";
   }
   protected void Button2_Click(object sender, EventArgs e)
   {
      TextBox1.Text = "You clicked Button2!";
   }
 
   protected override void Render(HtmlTextWriter writer)
   {
      Render_DetailsView1();
 
      base.Render(writer);
   }
 
   protected void Render_DetailsView1()
   {
      for (int row = 0; row < DetailsView1.Controls[0].Controls.Count; row++)
      {
         DataControlFieldCell dcfc = DetailsView1.Controls[0].Controls[row].Controls[0] as DataControlFieldCell;
         if (dcfc != null)
         {
            DataControlField dcf = dcfc.ContainingField;
            if (dcf != null)
            {
               BoundField bf = dcf as BoundField;
               if (bf != null)
               {
                  Control dataCell = DetailsView1.Controls[0].Controls[row].Controls[1];
                  switch (bf.DataField)
                  {
                     case "Column1":
                        dataCell.Controls.Add(this.Button1);
                        break;
                  }
               }
            }
         }
      }
   }
}
 
 
App_Code\JustSomeData.cs:
 
using System;
using System.Data;
using System.Configuration;
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;
 
/// <summary>
/// Summary description for JustSomeData
/// </summary>
public class JustSomeData : DataSet
{
	public JustSomeData()
	{
      this.Tables.Add();
      this.Tables[0].Columns.Add("Column0");
      this.Tables[0].Columns.Add("Column1");
      this.Tables[0].Columns.Add("Column2");
      this.Tables[0].Rows.Add("Row0Column0Value", "Row0Column1Value", "Row0Column2Value");
	}
 
   public DataSet GetData()
   {
      return this;
   }
 
}
                                              

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