从XML对象中查找指定节点的值

        /// <summary>
        /// 从XML对象中查找指定节点的值
        /// </summary>
        /// <param name="xmlDoc">XmlDocument对象</param>
        /// <param name="XPath">具体节点</param>
        /// <returns></returns>
        public static string GetXMLValue(XmlDocument xmlDoc, string xPath)
        {
            string value = string.Empty;
            try
            {
                XmlNode xmlNode = xmlDoc.SelectSingleNode(xPath);
                value = xmlNode.InnerText;
            }
            catch
            {
            }
            return value;
        }