如何删除XML中指定的节点！

Question

<?xml version="1.0" encoding="utf-8"?>
<info>
  <test>
    <t01>B</t01>
    <t02>2</t02>
  </test>
  <for>
  </for>
  <for>
    <f01>1sdfgsdf1</f01>
    <f02>2sdfg2</f02>
    <f03>3sdfgsdfgdsf3</f03>
    <f04>4sdfgdsfg4</f04>
    <f05>5sdfgsdfg5</f05>
    <f06>6dsfgsdfgsdf6</f06>
  </for>
  <for>
    <f01>1sdfgdsfgd1</f01>
    <f02>2dsfgsdfgdfsg2</f02>
    <f03>3dfgsdfgsdf3</f03>
    <f04>4dfgsdfgsd4</f04>
    <f05>5fgsdfgsdfgsdfg5</f05>
    <f06>6sdfgsdfgsd6</f06>
  </for>
  <for>
    <f01>1wefgwergwrgdfgwert3451</f01>
    <f02>223454wertewrt2</f02>
    <f03>3wertewr3</f03>
    <f04>4wertewrt4</f04>
    <f05>5wertwert5</f05>
    <f06>6ewrtewrt6</f06>
  </for>
  <for>
    <f01>1sdfdsbwdrw34531</f01>
    <f02>sdfgsdfxcvbsdg3422</f02>
    <f03>3dfgsdbxcgwert323</f03>
    <f04>4dfgsdfwerrt32454</f04>
    <f05>5sdfgwrt32455</f05>
    <f06>6fgdsfgerter36</f06>
  </for>
</info>如何一次把所有<for>节点全部删除！

Answer 1

string s=Regex.Replace(doc.InnerXml,@"<for[^>]*>(\w|\W)*?</for[^>]*>","");

Answer 2

应该比较简单的，使用XmlDocument加载xml，通过xpath查询找到需要删除的XmlNode，直接移除就行了。

Answer 3

DataSet ds = new DataSet();
            ds.ReadXml();
            ds.Tables[].Rows[].Delete();
            ds.WriteXml()