在文本框中的树视图中显示 XML 架构数据 [英] Display XML schema data in treeview in a textbox
本文介绍了在文本框中的树视图中显示 XML 架构数据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是这个项目的新手.它在 C# 中的 Visual Studio 2010 上.我试图在带有树视图的文本框中显示此 XML 模式.我在将其转换为树视图时遇到问题.
<块引用> DataSet dsM= new DataSet("M");string filePath = @"C:\Documents and Settings\Administrator\Desktop\M.xsd";dsM.ReadXml(filePath);System.IO.StringWriter swXML = new System.IO.StringWriter();dsM.WriteXmlSchema(swXML);textBox.Text = swXML.ToString();
解决方案
using System;使用 System.Windows.Forms;使用 System.Xml;公共类 XmlTreeDisplay : System.Windows.Forms.Form{私有 System.Windows.Forms.TreeView treeXml = new TreeView();公共 XmlTreeDisplay() {treeXml.Nodes.Clear();this.Controls.Add(treeXml);//加载 XML 文档XmlDocument doc = new XmlDocument();string filePath = @"C:\Documents and Settings\Administrator\Desktop\M.xsd";尝试 {doc.Load(filePath);}catch(异常错误){MessageBox.Show(err.Message);返回;}ConvertXmlNodeToTreeNode(doc, treeXml.Nodes);treeXml.Nodes[0].ExpandAll();}私有无效 ConvertXmlNodeToTreeNode(XmlNode xmlNode,TreeNodeCollection 树节点) {TreeNode newTreeNode = treeNodes.Add(xmlNode.Name);开关(xmlNode.NodeType){案例 XmlNodeType.ProcessingInstruction:案例 XmlNodeType.XmlDeclaration:newTreeNode.Text = "<?"+ xmlNode.Name + " " +xmlNode.Value + "?>";休息;案例 XmlNodeType.Element:newTreeNode.Text = "<"+ xmlNode.Name + ">";休息;案例 XmlNodeType.Attribute:newTreeNode.Text = "属性:" + xmlNode.Name;休息;案例 XmlNodeType.Text:案例 XmlNodeType.CDATA:newTreeNode.Text = xmlNode.Value;休息;案例 XmlNodeType.Comment:newTreeNode.Text = "<!--" + xmlNode.Value + "-->";休息;}如果(xmlNode.Attributes != null){foreach(xmlNode.Attributes 中的 XmlAttribute 属性){ConvertXmlNodeToTreeNode(attribute, newTreeNode.Nodes);}}foreach(xmlNode.ChildNodes 中的 XmlNode childNode){ConvertXmlNodeToTreeNode(childNode, newTreeNode.Nodes);}}公共静态无效主(){Application.Run(new XmlTreeDisplay());}}
修改它以满足您的需要...
(反过来,将 TreeView 转换为 XML,这里有一个很好的演示 这里不必重复)
I am new to this project. It is on visual studio 2010 in C#. I am trying to show this XML schema in a textbox with a treeview. I have problem making it into a treeview.
DataSet dsM= new DataSet("M"); string filePath = @"C:\Documents and Settings\Administrator\Desktop\M.xsd"; dsM.ReadXml(filePath); System.IO.StringWriter swXML = new System.IO.StringWriter(); dsM.WriteXmlSchema(swXML); textBox.Text = swXML.ToString();
解决方案
using System;
using System.Windows.Forms;
using System.Xml;
public class XmlTreeDisplay : System.Windows.Forms.Form{
private System.Windows.Forms.TreeView treeXml = new TreeView();
public XmlTreeDisplay() {
treeXml.Nodes.Clear();
this.Controls.Add(treeXml);
// Load the XML Document
XmlDocument doc = new XmlDocument();
string filePath = @"C:\Documents and Settings\Administrator\Desktop\M.xsd";
try {
doc.Load(filePath);
}catch (Exception err) {
MessageBox.Show(err.Message);
return;
}
ConvertXmlNodeToTreeNode(doc, treeXml.Nodes);
treeXml.Nodes[0].ExpandAll();
}
private void ConvertXmlNodeToTreeNode(XmlNode xmlNode,
TreeNodeCollection treeNodes) {
TreeNode newTreeNode = treeNodes.Add(xmlNode.Name);
switch (xmlNode.NodeType) {
case XmlNodeType.ProcessingInstruction:
case XmlNodeType.XmlDeclaration:
newTreeNode.Text = "<?" + xmlNode.Name + " " +
xmlNode.Value + "?>";
break;
case XmlNodeType.Element:
newTreeNode.Text = "<" + xmlNode.Name + ">";
break;
case XmlNodeType.Attribute:
newTreeNode.Text = "ATTRIBUTE: " + xmlNode.Name;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
newTreeNode.Text = xmlNode.Value;
break;
case XmlNodeType.Comment:
newTreeNode.Text = "<!--" + xmlNode.Value + "-->";
break;
}
if (xmlNode.Attributes != null) {
foreach (XmlAttribute attribute in xmlNode.Attributes) {
ConvertXmlNodeToTreeNode(attribute, newTreeNode.Nodes);
}
}
foreach (XmlNode childNode in xmlNode.ChildNodes) {
ConvertXmlNodeToTreeNode(childNode, newTreeNode.Nodes);
}
}
public static void Main(){
Application.Run(new XmlTreeDisplay());
}
}
modify this to suit your needs...
(to do the reverse, convert a TreeView to XML, here is a nice demonstration not necessary repeating here)
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