.net 操作xml --移除注释节点

 /// <summary>
         /// xml字符串转xml文档  忽略注释信息
         /// </summary>
         /// <param name="sXml">xml字符串</param>
         /// <returns></returns>
         public  XmlDocument XmlFromStrIgnoreComment(string sXml)
         {
             try
             {
                 XmlDocument _XmlDocument = new XmlDocument();
                 _XmlDocument.LoadXml(sXml);
                 return this.XmlRemoveComment(_XmlDocument);
             }
             catch (Exception)
             {
                 return null;
             }

         }
         /// <summary>
         /// xml文档移除 注释节点
         /// </summary>
         /// <param name="sXml">xml文档</param>
         /// <returns></returns>
         public  XmlDocument XmlRemoveComment(XmlDocument sXml)
         {
             List<XmlNode> dXmlNodeList = new List<XmlNode>();
             this.GetXmlRemoveComment(sXml.ChildNodes, dXmlNodeList);
             foreach (XmlNode vXmlNode in dXmlNodeList)
             {
                 vXmlNode.ParentNode.RemoveChild(vXmlNode);
             }
             return sXml;
         }

         /// <summary>
         /// 获取xml中的 注释节点
         /// </summary>
         /// <param name="xmlNodeList">待查找结点</param>
         /// <param name="dXmlNodeList">注释节点</param>
         public void GetXmlRemoveComment(XmlNodeList xmlNodeList, List<XmlNode> dXmlNodeList)
         {
             foreach (XmlNode xmlNode in xmlNodeList)
             {
                 if (xmlNode.NodeType == XmlNodeType.Comment)
                 {
                     dXmlNodeList.Add(xmlNode);
                 }
                 else
                 {
                     if (xmlNode.HasChildNodes)
                     {
                         GetXmlRemoveComment(xmlNode.ChildNodes, dXmlNodeList);
                     }
                 }
             }
         }