C# apsx ListControl根据值选定列表项

/// <summary>
        /// 根据值选定列表项,
        /// </summary>
        /// <param name="list">控件ID</param>
        /// <param name="value">值</param>
        public static void SelectedRBListByValue(ListControl list, object value)
        {
            if (value == DBNull.Value || value == null)
            {
                list.SelectedIndex = -1;
            }
            else
            {
                list.SelectedIndex = list.Items.IndexOf(list.Items.FindByValue(value.ToString()));
            }
        }