ASP.NET解析xml返回某节点属性的内容

test.xml
<?xml version="1.0" encoding="utf-8" ?>
<root>
    <R SecuCode="601600" Glossary="学IT网测试获取XML结果显示正常，。。。。。。。哈哈" />
    <R SecuCode="600056" Glossary="测试第二个，。。。。。。。哈哈" />
</root>
下面xml解析操作类（扩展的)：
    /// <summary>
    ///
    /// author:dodo
    /// 网址：www.xueit.com
    ///
    /// 读取XML类
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class xmlHepler<T>
    {
        Hashtable table = new Hashtable();
        T FileName;
        T Root;    //根节点
        T RootAttName; //节点属性名称
        T RootAttValue; //根节点属性值
        T Field;       //Xml字段
        /// <summary>
        /// XML文件路径
        /// </summary>
        /// <param name="val"></param>
        public xmlHepler(T val)
        {
            FileName = val;
            this.LoadXml(val.ToString());
        }
        /// <summary>
        /// XML文件路径
        /// </summary>