添加XML节点 属性

                                   

            XmlDocument XDOC = new XmlDocument();
            XDOC.Load(sFileName);

 XmlNode node = adoc.SelectSingleNode("//Comment");

 XmlNodeList xmlnodelist = node.SelectNodes("//comments");

                    foreach (XmlNode xmlnode in xmlnodelist)
                    {

XmlAttribute newxat = XDOC .CreateAttribute("DeleteDate");
                                    newxat.Value = "";
                                    xmlnode.Attributes.Append(newxat);

 

                        }

 

 

<?xml version="1.0" encoding="utf-8"?>
<Comment>
  <comments keytype="MeireiNO" key="450313-02  " value="S=000000" />
  <comments keytype="MeireiNO" key="456036-02  " value="S=33333333"/>
  <comments keytype="KeiyakuNO" key="8-61-96-0073-010" value="K=1111" DeleteDate="" />
  <comments keytype="MeireiNO" key="436065-02  " value="S=113" DeleteDate="" />
  <comments keytype="MeireiNO" key="436065-03  " value="S=113" DeleteDate="" />
  <comments keytype="MeireiNO" key="436065-04  " value="S=113" DeleteDate="" />
  <comments keytype="MeireiNO" key="436065-05  " value="S=113" DeleteDate="2009/02/01" />
  <comments keytype="MeireiNO" key="436065-05  " value="S=113" DeleteDate="2009/02/02" />
  <comments keytype="MeireiNO" key="436065-05  " value="S=113" DeleteDate="2009/02/03" />
</Comment>