C#操作Xml通用工具類

using System;
using System.Xml;

namespace WLERP.Common.Util
{
    /// <summary>
    /// Xml 操作工具類
    /// </summary>
    public sealed class XmlUtil
    {
        private XmlUtil() { }

        /// <summary>
        /// 創建節點
        /// </summary>
        /// <param name="node"></param>
        /// <param name="newElementName"></param>
        /// <returns></returns>
        public static XmlNode AppendElement(XmlNode node, string newElementName)
        {
            return AppendElement(node, newElementName, null);
        }

        /// <summary>
        /// 創建節點
        /// </summary>
        /// <param name="node"></param>
        /// <param name="newElementName"></param>
        /// <param name="innerValue"></param>
        /// <returns></returns>
        public static XmlNode AppendElement(XmlNode node, string newElementName, string innerValue)
        {
            XmlNode oNode;
            if (node is XmlDocument)
            {
                oNode = node.AppendChild(((XmlDocument)node).CreateElement(newElementName));
            }
            else
            {
                oNode = node.AppendChild(node.OwnerDocument.CreateElement(newElementName));
            }

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