I am doing like this but it doesn't work. It is givinf me Text of
button control ""

protected void GridView1_RowCommand(object sender,
GridViewCommandEventArgs e)
   {
       if (e.CommandName == "redirect")
       {

           // Convert the row index stored in the CommandArgument
           // property to an Integer.
           int index = Convert.ToInt32(e.CommandArgument);

           // Get the Text of the ID button control

           string id2 = GridView1.Rows[index].Cells[2].Text;
                    Session["TCKid"] = id2;

                   Response.Redirect("tickets_View.aspx");

       }
   }