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《C#.NET示例讀寫(xiě)xml所有節(jié)點(diǎn)的代碼實(shí)現(xiàn)方法和讀取xml節(jié)點(diǎn)的數(shù)據(jù)總結(jié)》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、//打開(kāi)某文件(假設(shè)web.config在根目錄中)???stringfilename=Server.MapPath("/")+@"WebApplication1web.config";???XmlDocumentxmldoc=newXmlDocument();???xmldoc.Load(filename);???//得到頂層節(jié)點(diǎn)列表???XmlNodeListtopM=xmldoc.DocumentElement.ChildNodes;???foreach(XmlElementelementintopM)
2、???{????if(element.Name.ToLower()=="appsettings")????{?????//得到該節(jié)點(diǎn)的子節(jié)點(diǎn)?????XmlNodeListnodelist=element.ChildNodes;?????if(nodelist.Count>0)?????{??????//DropDownList1.Items.Clear();??????foreach(XmlElementelinnodelist)//讀元素值??????{???????//DropDownList1.Item
3、s.Add(el.Attributes["key"].InnerXml);???????//this.TextBox2.Text=el.Attributes["key"].InnerText;???????this.TextBox2.Text=el.Attributes["key"].Value;???????this.Label1.Text=el.Attributes["value"].Value;???????????//同樣在這里可以修改元素值,在后面save。????????//el.Attribute
4、s["value"].Value=this.TextBox2.Text;??????}?????}????}???}???xmldoc.Save(filename);??}效果：??????//添加空元素：??XmlNodenode=doc.CreateElement(groupname);????node.InnerText="";????doc.
5、LastChild.AppendChild(node);????doc.Save(xmlfile);刪除一個(gè)節(jié)點(diǎn)元素??stringitemname=this.listBox1.SelectedItem.ToString();????this.listBox1.Items.Remove(this.listBox1.SelectedItem);??//begindelxmlfile??XmlDocumentdoc=newXmlDocument();??doc.Load(xmlfile);????XmlNodeLi
6、sttopM=doc.DocumentElement.ChildNodes;??foreach(XmlElementelementintopM)??{???if(element.Name==this.comboBox1.Text)???{????//得到該節(jié)點(diǎn)的子節(jié)點(diǎn)????XmlNodeListnodelist=element.ChildNodes;?????????foreach(XmlElementelinnodelist)//讀元素值????{???????????if(el.Attributes["k
7、ey"].Value==itemname)?????{??????element.RemoveChild(el);?????}????}//循環(huán)元素????????}//得到組??}//循環(huán)組??doc.Save(xmlfile);//一定要保存一下，否則不起作用//篩選數(shù)據(jù)privatevoidReader_Xml(stringpathFlie){??XmlDocumentXmldoc=newXmlDocument();??Xmldoc.Load(pathFlie);??XmlNodeListRecord1=
8、Xmldoc.DocumentElement.SelectNodes(Code[@id='1'])??intf=0;??foreach(XmlNodexnodeinRecord1)???{???}}/**//*讀取xml數(shù)據(jù)??兩種xml方式*/????something????something???
