asp.Net 读取，删除(包括父节点)配置文件

<?xml version="1.0" encoding="gb2312"?>

<root>

<comment>

<url>http://image.meimumeijia.com/product_comment/2013/08/327956_201308161103132272_small.jpg</url>

<desc>咚咚咚咚，测试测试！</desc>

</comment>

<comment>

<url>http://image.meimumeijia.com/product_comment/2013/08/327956_201sdfsdf272_small.jpg</url>

<desc>咚咚咚咚，测试测试sdfs！</desc>

</comment>

</root>

/// <summary>

/// 创建、添加 xml节点

/// </summary>

/// <param name="url">图片链接</param>

/// <param name="desc">描述</param>

public void CreateXmlNode(string url,string desc)

{

XmlDocument xmlDoc = new XmlDocument();

xmlDoc.Load(System.Web.HttpContext.Current.Server.MapPath("/") + "Product/comment.xml");

XmlNode root = xmlDoc.SelectSingleNode("root");

XmlElement xe1 = xmlDoc.CreateElement("comment");

XmlElement xesub1 = xmlDoc.CreateElement("url");

xesub1.InnerText =url;

xe1.AppendChild(xesub1);

XmlElement xesub2 = xmlDoc.CreateElement("desc");

xesub2.InnerText =desc;

xe1.AppendChild(xesub2);

root.AppendChild(xe1);

xmlDoc.Save(System.Web.HttpContext.Current.Server.MapPath("/") + "Product/comment.xml");

}

/// <summary>

/// 删除xml文件第一个子节点

/// </summary>

public void DeleteXmlNode()

{

XmlDocument xmlDoc = new XmlDocument();

xmlDoc.Load(System.Web.HttpContext.Current.Server.MapPath("/") + "Product/comment.xml");

XmlNodeList xnl = xmlDoc.SelectSingleNode("root").ChildNodes;

if (xnl.Count < 5)

{

return;

}

foreach (XmlNode xn in xnl)

{

if (xnl.Item(0) == xn)

{

xn.ParentNode.RemoveChild(xn);//删除节点(包括副节点本身)

break;

}

}

xmlDoc.Save(System.Web.HttpContext.Current.Server.MapPath("/") + "Product/comment.xml");

}