private void btnLoad_Click(object sender, System.EventArgs e)
{
XmlTextReader reader = new XmlTextReader(
Server.MapPath("mycompany.xml"));
reader.WhitespaceHandling = WhitespaceHandling.None;
XmlDocument xmlDoc = new XmlDocument();
//将文件加载到XmlDocument对象中
xmlDoc.Load(reader);
//关闭连接
reader.Close();
//向listbox中添加代表文档的元素
lbNodes.Items.Add("XML Document");
//查找根节点,并将它及它的子节点一同添加到listbox中
XmlNode xnod = xmlDoc.DocumentElement;
AddWithChildren(xnod,1);
}
private void AddWithChildren(XmlNode xnod, Int32 intLevel)
{
//将节点及它的子节点一同添加到listbox中
//intLevel 控制缩进的深度
XmlNode xnodWorking;
String strIndent = new string(' ',2 * intLevel);
//如果节点有值,读取它的值
string strValue = (string) xnod.Value;
if(strValue != null)
{
strValue = " : " + strValue;
}
//将节点的详细信息添加到ListBox中
lbNodes.Items.Add(strIndent + xnod.Name + strValue);
//如果是元素节点,获取它的属性
if (xnod.NodeType == XmlNodeType.Element)
{
XmlNamedNodeMap mapAttributes = xnod.Attributes;
//将节点属性添加到ListBox中
foreach(XmlNode xnodAttribute in mapAttributes)
{
lbNodes.Items.Add(strIndent + " " + xnodAttribute.Name +
" : " + xnodAttribute.Value);
}
//如果还有子节点,就递归地调用这个程序
if(xnod.HasChildNodes)
{
xnodWorking = xnod.FirstChild;
while (xnodWorking != null)
{
AddWithChildren(xnodWorking, intLevel +1);
xnodWorking = xnodWorking.NextSibling;
}
}
}
}
} |