<?xml version="1.0" encoding="utf-8"?>
<user>
<pereson>
<id>201007181106159248</id>
<titles>龟头正雄</titles>
<linkURL>http://www.gumeipost.com</linkURL>
<datetimes>2010-07-18</datetimes>
<sorts>18</sorts>
</pereson>
</user>//删除代码
XmlDocument xdt = new XmlDocument();
xdt.Load(Server.MapPath("~/XMLFile/LinkInfo.xml"));
XmlNodeList xnl = xdt.SelectSingleNode("user").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.GetAttribute("id") == id)
{
// xe.RemoveAll(); 这句只删除<pereson></pereson>里面的属性
xdt.SelectSingleNode("user").RemoveChild(xn); //这句是连同pereson一起删除
break;
}
}
xdt.Save(Server.MapPath("~/XMLFile/LinkInfo.xml"));//保存
为什么删除不了呢?
<user>
<pereson>
<id>201007181106159248</id>
<titles>龟头正雄</titles>
<linkURL>http://www.gumeipost.com</linkURL>
<datetimes>2010-07-18</datetimes>
<sorts>18</sorts>
</pereson>
</user>//删除代码
XmlDocument xdt = new XmlDocument();
xdt.Load(Server.MapPath("~/XMLFile/LinkInfo.xml"));
XmlNodeList xnl = xdt.SelectSingleNode("user").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.GetAttribute("id") == id)
{
// xe.RemoveAll(); 这句只删除<pereson></pereson>里面的属性
xdt.SelectSingleNode("user").RemoveChild(xn); //这句是连同pereson一起删除
break;
}
}
xdt.Save(Server.MapPath("~/XMLFile/LinkInfo.xml"));//保存
为什么删除不了呢?
foreach(XmlNode xn in xnl)
{
XmlElement xe=(XmlElement)xn;
if(xe.GetAttribute("")=="")
{
xe.RemoveAll();//删除该节点的全部内容
}
}
xmlDoc.Save("");
<user>
<pereson>
<id>201007181106159248</id>
<titles>龟头正雄</titles>
<linkURL>http://www.gumeipost.com</linkURL>
<datetimes>2010-07-18</datetimes>
<sorts>18</sorts>
</pereson>
</user>
";
XmlDocument dom = new XmlDocument();
dom.LoadXml(str);
XmlNode node = dom.SelectSingleNode("//user/pereson/id[.='201007181106159248']");
if (node != null)
{ node.ParentNode.ParentNode.RemoveAll();
}
dom.Save(Response.OutputStream);//保存
Response.End();
以下是代码
XDocument xdoc = XDocument.Load(Server.MapPath("~/XMLFile/LinkInfo.xml"));
var querys = from p in xdoc.Descendants("pereson") where(p.Element("id").Value == id) select p;
XElement nowele = querys.First<XElement>();
nowele.Remove();
xdoc.Save(Server.MapPath("~/XMLFile/LinkInfo.xml"));
<user>
<pereson>
<id>201007181106159248</id>
<titles>龟头正雄</titles>
<linkURL>http://www.gumeipost.com</linkURL>
<datetimes>2010-07-18</datetimes>
<sorts>18</sorts>
</pereson>
<pereson>
<id>201007181106159249</id>
<titles>龟头正雄2222222</titles>
<linkURL>http://www.gumeipost.com</linkURL>
<datetimes>2010-07-18</datetimes>
<sorts>18</sorts>
</pereson>
</user>
";
XmlDocument dom = new XmlDocument();
dom.LoadXml(str);
XmlNode node = dom.SelectSingleNode("//user/pereson/id[.='201007181106159248']");
if (node != null)
{ XmlNode nodePreson = node.ParentNode;
nodePreson.ParentNode.RemoveChild(nodePreson);
}
dom.Save(Response.OutputStream);//保存
Response.End();