[XML.NET C# 소스] XmlDocument에 노드 탐색 및 삭제하기

 XmlDocument에 노드 탐색 및 삭제하기

Program.cs

class Tracer {     XmlDocument doc;       public void MakeDocument()     {         doc = new XmlDocument();         XmlDeclaration xmldecl;         xmldecl = doc.CreateXmlDeclaration("1.0", null, null);         doc.InsertBefore(xmldecl, doc.DocumentElement);           XmlElement root = doc.CreateElement("books");         doc.AppendChild(root);         XmlElement elem = doc.CreateElement("book");         elem.InnerText = "XML.NET";         doc.DocumentElement.AppendChild(elem);         elem.SetAttribute("price", "12000");         XmlAttribute attr = doc.CreateAttribute("count");         attr.Value = "50";         elem.Attributes.Append(attr);         XmlElement elem2 = doc.CreateElement("book");         elem2.InnerText = "ADO.NET";         doc.DocumentElement.AppendChild(elem2);     }       public void Trace()     {         TestXmlNode_RemoveChild();         TestXmlNode_RemoveAll();         TestAttributes_Remove();         TestAttributes_RemoveAll();         TestAttributes_RemoveAt();         TestElement_RemoveAllAttributes();         TestElement_RemoveAttribute();         TestElement_RemoveAttributeAt();     }       private void TestElement_RemoveAttributeAt()     {         Console.WriteLine("---Start TestElement_RemoveAttributeAt---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlElement xelem = cnode as XmlElement;         if (xelem != null)         {             xelem.RemoveAttributeAt(0);         }         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestElement_RemoveAttributeAt---");     }     private void TestElement_RemoveAttribute()     {         Console.WriteLine("---Start TestElement_RemoveAttribute---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlElement xelem = cnode as XmlElement;         if (xelem != null)         {             xelem.RemoveAttribute("price");         }         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestElement_RemoveAttribute---");     }     private void TestElement_RemoveAllAttributes()     {         Console.WriteLine("---Start TestElement_RemoveAllAttributes---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlElement xelem = cnode as XmlElement;         if (xelem != null)          {             xelem.RemoveAllAttributes();         }         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestElement_RemoveAllAttributes---");     }       private void TestAttributes_RemoveAt()     {         Console.WriteLine("---Start TestAttributes_RemoveAt---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlAttributeCollection col = cnode.Attributes;         col.RemoveAt(0);         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestAttributes_RemoveAt---");     }     private void TestAttributes_RemoveAll()     {         Console.WriteLine("---Start TestAttributes_RemoveAll---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlAttributeCollection col = cnode.Attributes;         col.RemoveAll();         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestAttributes_RemoveAll---");     }     private void TestAttributes_Remove()     {         Console.WriteLine("---Start TestAttributes_Remove---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         XmlAttributeCollection col = cnode.Attributes;         XmlAttribute attr = col["price"];         col.Remove(attr);         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestAttributes_Remove---");     }     private void TestXmlNode_RemoveAll()     {         Console.WriteLine("---Start TestXmlNode_RemoveAll---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         pnode.RemoveAll();         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestXmlNode_RemoveAll---");     }     private void TestXmlNode_RemoveChild()     {         Console.WriteLine("---Start TestXmlNode_RemoveChild---");         MakeDocument();         XmlNode pnode = doc.SelectSingleNode("books");         XmlNode cnode = pnode.ChildNodes[0];         pnode.RemoveChild(cnode);         doc.Save(Console.Out);         Console.WriteLine();         Console.WriteLine("---End TestXmlNode_RemoveChild---");    } } class Program {     static void Main(string[] args)     {         Tracer tracer = new Tracer();         tracer.Trace();     } }

[소스] XmlDocument에 노드 탐색 및 삭제하기 예제 코드

 

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