获取某容器中所有的服务器控件

    public class GetControls
    {

        public  List<System.Web.UI.Control> controls = new List<System.Web.UI.Control>();
        public  List<System.Web.UI.Control> GetAll(System.Web.UI.Control control)
        {
            if (control != null)
            {
                controls.Add(control);
                if (control.HasControls())
                {
                    foreach (System.Web.UI.Control cont in control.Controls)
                    {
                        GetAll(cont);
                    }
                }
                    
            }

            return controls;
        }
    }