How to make the ASP.NET GridView Generate THead and TBody tags

If you would like to use some JQ libraries as Datables  with asp.net gridview , you have to make it generating thead and tboy. You should  add this code :
 protected void Page_PreRender(object sender, EventArgs e)
        {           
            if (this.GridUsers.Rows.Count > 0)
            {
                GridUsers.UseAccessibleHeader = true;
                GridUsers.HeaderRow.TableSection = TableRowSection.TableHeader;
                GridUsers.FooterRow.TableSection = TableRowSection.TableFooter;
            }
        }