/// <summary>

        /// 设置当前页面上的所有可输入和选择的控件为只读属性

        /// </summary>

        /// <param name="page"></param>

        public static void SetControlReadOnly(Page page)

        {



            foreach (Control ctrl in page.Controls)

            {

                SetControlReadOnly(ctrl);



            }

        }









        //递归调用。设置控件只读。

        public static void SetControlReadOnly(Control ctr)

        {

            if (ctr is TextBox)

            {

                TextBox txtControl = (TextBox)ctr;

                txtControl.ReadOnly = true;

                txtControl.Enabled = false;



            }

            else if (ctr is RadioButton)

            {

                RadioButton btn = (RadioButton)ctr;

                btn.Enabled = false;



            }

            else if (ctr is RadioButtonList)

            {

                RadioButtonList btn = (RadioButtonList)ctr;

                btn.Enabled = false;

            }



            else if (ctr is CheckBox)

            {

                CheckBox cb = (CheckBox)ctr;

                cb.Enabled = false;

            }

            else if (ctr is DropDownList)

            {

    &nbs