泛型集合字典：根据预设键动态赋值

using System.Reflection;
----------------------------------------------------------

        /// <summary>
        /// 设置当前模板块和其下所有子模板块下某个同名称的变量或变量表达式的值，字典集合值
        /// </summary>
        /// <typeparam name="T">集合类型</typeparam>
        /// <param name="varExp">标签前缀，例如 Config.</param>
        /// <param name="TValue">数据集合</param>
        /// <param name="TKeyName">作为键属性的名称</param>
        /// <param name="TValueName">作为值属性的名称</param>
        public void SetListValue<T>(string varExp, List<T> TValue, string TKeyName, string TValueName) where T : new()
        {
            if (TValue == null || TValue.Count < 1)
            {
                return;
            }
            else
            {
                PropertyInfo[] Propertys = typeof(T).GetProperties();

                string key = "";
                string value = "";

                foreach (T Val in TValue)
                {
                    foreach (PropertyInfo pi in Propertys)
                    {
                        if (pi.Name.ToLower() == TKeyName.ToLower())