C# 读取XML
访问的XML两种模型:
在程序中访问进而操作XML文件一般有两种模型,分别是使用DOM(文档对象模型)和流模型,使用DOM的好处在于它允许编辑和更新XML文档,可以随机访问文档中的数据,可以使用XPath查询,但是,DOM的缺点在于它需要一次性的加载整个文档到内存中,对于大型的文档,这会造成资源问题。流模型很好的解决了这个问题,因为它对XML文件的访问采用的是流的概念,也就是说,任何时候在内存中只有当前节点,但它也有它的不足,它是只读的,仅向前的,不能在文档中执行向后导航操作。
流模型中的变体:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
流模型每次迭代XML文档中的一个节点,适合于处理较大的文档,所耗内存空间小。流模型中有两种变体——“推”模型和“拉”模型。
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
推模型也就是常说的SAX,SAX是一种靠事件驱动的模型,也就是说:它每发现一个节点就用推模型引发一个事件,而我们必须编写这些事件的处理程序,这样的做法非常的不灵活,也很麻烦。
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
.NET中使用的是基于“拉”模型的实现方案,“拉”模型在遍历文档时会把感兴趣的文档部分从读取器中拉出,不需要引发事件,允许我们以编程的方式访问文档,这大大的提高了灵活性,在性能上“拉”模型可以选择性的处理节点,而SAX每发现一个节点都会通知客户机,从而,使用“拉”模型可以提高Application的整体效率。在.NET中“拉”模型是作为XmlReader类实现的,下面看一下该类的继承结构:
我们今天来讲一下该体系结构中的XmlTextReader类,该类提供对Xml文件进行读取的功能,它可以验证文档是否格式良好,如果不是格式良好的Xml文档,该类在读取过程中将会抛出XmlException异常,可使用该类提供的一些方法对文档节点进行读取,筛选等操作以及得到节点的名称和值,请牢记:XmlTextReader是基于流模型的实现,打个不恰当的比喻,XML文件就好象水源,闸一开水就流出,流过了就流过了不会也不可以往回流。内存中任何时候只有当前节点,你可以使用XmlTextReader类的Read()方法读取下一个节点。
namespace XMLReading
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Xml;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Windows.Forms;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.ComponentModel;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// Xml文件读取器
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public class XmlReader : IDisposable
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private string _xmlPath;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private const string _errMsg = "Error Occurred While Reading ";
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private ListBox _listBox;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private XmlTextReader xmlTxtRd;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
XmlReader 的构造器
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
XmlReader 的资源释放方法
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
XmlReader 的属性
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 遍历Xml文件
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void EachXml()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(this.xmlTxtRd.Value);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + exp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 读取Xml文件的节点类型
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void ReadXmlByNodeType()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(this.xmlTxtRd.NodeType.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + exp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 根据节点类型过滤Xml文档
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="xmlNType">XmlNodeType 节点类型的数组</param>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void FilterByNodeType(XmlNodeType[] xmlNType)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
for (int i = 0; i < xmlNType.Length; i++)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == xmlNType[i])
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(xmlTxtRd.Name + " is Type " + xmlTxtRd.NodeType.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this.xmlPath + exp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 读取Xml文件的所有文本节点值
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void ReadXmlTextValue()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == XmlNodeType.Text)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(xmlTxtRd.Value);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 读取Xml文件的属性
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void ReadXmlAttributes()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == XmlNodeType.Element)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.HasAttributes)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Element " + xmlTxtRd.Name + " has " + xmlTxtRd.AttributeCount + " Attributes");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Attributes are:");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.MoveToNextAttribute())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(xmlTxtRd.Name + " = " + xmlTxtRd.Value);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Element " + xmlTxtRd.Name + " has no Attribute");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 读取Xml文件的命名空间
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void ReadXmlNamespace()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == XmlNodeType.Element && xmlTxtRd.Prefix != "")
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Prefix " + xmlTxtRd.Prefix + " is associated with namespace " + xmlTxtRd.NamespaceURI);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Element with the local name " + xmlTxtRd.LocalName + " is associated with" + " the namespace " + xmlTxtRd.NamespaceURI);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == XmlNodeType.Element && xmlTxtRd.HasAttributes)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.MoveToNextAttribute())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.Prefix != "")
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Prefix " + xmlTxtRd.Prefix + " is associated with namespace " + xmlTxtRd.NamespaceURI);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add("The Attribute with the local name " + xmlTxtRd.LocalName + " is associated with the namespace " + xmlTxtRd.NamespaceURI);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 读取整个Xml文件
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public void ReadXml()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
string attAndEle = string.Empty;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Clear();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd = new XmlTextReader(this._xmlPath);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.NodeType == XmlNodeType.XmlDeclaration)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(string.Format("<?{0} {1} ?>",xmlTxtRd.Name,xmlTxtRd.Value));
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else if (xmlTxtRd.NodeType == XmlNodeType.Element)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
attAndEle = string.Format("<{0} ",xmlTxtRd.Name);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (xmlTxtRd.HasAttributes)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while(xmlTxtRd.MoveToNextAttribute())
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
attAndEle = attAndEle + string.Format("{0}='{1}' ",xmlTxtRd.Name,xmlTxtRd.Value);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
attAndEle = attAndEle.Trim() + ">";
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(attAndEle);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else if (xmlTxtRd.NodeType == XmlNodeType.EndElement)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(string.Format("</{0}>",xmlTxtRd.Name));
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else if (xmlTxtRd.NodeType == XmlNodeType.Text)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this._listBox.Items.Add(xmlTxtRd.Value);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (this.xmlTxtRd != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.xmlTxtRd.Close();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace XMLReading
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Drawing;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Collections;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.ComponentModel;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Windows.Forms;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Data;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Xml;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public class Form1 : System.Windows.Forms.Form
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.ListBox listBox1;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button1;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button2;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button3;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button4;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button5;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button6;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.Windows.Forms.Button button7;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private string xmlPath;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private XmlReader xRead;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 必需的设计器变量。
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private System.ComponentModel.Container components = null;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public Form1()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 清理所有正在使用的资源。
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
protected override void Dispose( bool disposing )
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if( disposing )
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (components != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
components.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
base.Dispose( disposing );
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Windows 窗体设计器生成的代码
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 应用程序的主入口点。
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </summary>
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
[STAThread]
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
static void Main()
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Application.Run(new Form1());
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// Example1按纽遍历文档读取数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath,this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
{
xRead.EachXml();
}
catch(XmlException xmlExp)
{
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
catch(Exception exp)
{
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
finally
{
xRead.Dispose();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// 读取Xml文件的节点类型
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath,this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.ReadXmlByNodeType();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void button3_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
XmlNodeType[] xmlNType = {XmlNodeType.Element, XmlNodeType.EndElement, XmlNodeType.XmlDeclaration};
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath, this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.FilterByNodeType(xmlNType);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void button4_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath, this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.ReadXmlTextValue();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void button5_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath, this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.ReadXmlAttributes();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void button6_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath, this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.ReadXmlNamespace();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void button7_Click(object sender, System.EventArgs e)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead = new XmlReader(this.xmlPath, this.listBox1);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.ReadXml();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(XmlException xmlExp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
catch(Exception exp)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
xRead.Dispose();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
程序中使用到的XML文件如下:
sample.xml
<?xml version="1.0" encoding="utf-8" ?>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Invoices date="28/11/2001" xmlns:cat="uri:Business-Categories">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<customers custname="Chile Wines Inc" phone="1241 923 56332" email="cw@yahoo.com.cn" custid="192398" delivery="international" offerID="27">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<cat:businfo>Wine Division South</cat:businfo>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<cat:businfo>Beer Division North</cat:businfo>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<order orderID="OID921" batchid="123">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<items cat:num="2">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancagua While</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancagua Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</items>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</order>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<order orderID="OID927">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<items num="5">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Chillan Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancagua While</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Santiago Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancagua While</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancagua Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</items>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</order>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<order orderID="OID931" batchid="123">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<items num="6">
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancegao Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Sutothad Black</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>BlackNme Blue</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Booklist Red</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<item>Rancegao White</item>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</items>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</details>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</order>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</customers>
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Invoices>
在程序中访问进而操作XML文件一般有两种模型,分别是使用DOM(文档对象模型)和流模型,使用DOM的好处在于它允许编辑和更新XML文档,可以随机访问文档中的数据,可以使用XPath查询,但是,DOM的缺点在于它需要一次性的加载整个文档到内存中,对于大型的文档,这会造成资源问题。流模型很好的解决了这个问题,因为它对XML文件的访问采用的是流的概念,也就是说,任何时候在内存中只有当前节点,但它也有它的不足,它是只读的,仅向前的,不能在文档中执行向后导航操作。
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
我们今天来讲一下该体系结构中的XmlTextReader类,该类提供对Xml文件进行读取的功能,它可以验证文档是否格式良好,如果不是格式良好的Xml文档,该类在读取过程中将会抛出XmlException异常,可使用该类提供的一些方法对文档节点进行读取,筛选等操作以及得到节点的名称和值,请牢记:XmlTextReader是基于流模型的实现,打个不恰当的比喻,XML文件就好象水源,闸一开水就流出,流过了就流过了不会也不可以往回流。内存中任何时候只有当前节点,你可以使用XmlTextReader类的Read()方法读取下一个节点。
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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posted on 2007-05-31 16:08 mjgforever 阅读(840) 评论(1) 编辑 收藏 举报