asp.netXML与JSON

//实例化一个XmlDocumentXmlDocument doc &＃61; new XmlDocument();string fileName &＃61; Server.MapPath(&＃64;"~\XML\XMLFile1.xml");//加载XmlDocumentdoc.Load(fileName);//得到文档的根节点XmlNode root &＃61; doc.DocumentElement;string info &＃61; "";foreach (XmlNode item in root.ChildNodes){info &＃43;&＃61; item.Attributes.Item(0).Value;info &＃43;&＃61; item.Attributes.Item(1).Value;foreach (XmlNode items in item.ChildNodes){info &＃43;&＃61; items.Value;}info &＃43;&＃61; "
";}Response.Write(info);

//创建XML文档对象XmlDocument doc &＃61; new XmlDocument();//创建XML文档描述XmlDeclaration declaration &＃61; doc.CreateXmlDeclaration("1.0","utf-8",null);//创建根节点XmlNode root &＃61; doc.CreateNode(XmlNodeType.Element,"classes",null);//创建子节点XmlNode class1 &＃61; doc.CreateNode(XmlNodeType.Element,"class1",null);XmlNode name &＃61; doc.CreateNode(XmlNodeType.Text,null,null);name.Value &＃61; "张三";XmlAttribute att &＃61; doc.CreateAttribute("stuno");att.Value &＃61; "007";XmlAttribute atts &＃61; doc.CreateAttribute("age");atts.Value &＃61; "88";//在根节点添加班级节点class1.AppendChild(name);class1.Attributes.Append(att);class1.Attributes.Append(atts);root.AppendChild(class1);//在文档中添加文档描述doc.AppendChild(declaration);//在文档中添加根节点doc.AppendChild(root);//保存文档string filename &＃61; Server.MapPath(&＃64;"~\XML\classsss.xml");doc.Save(filename);

//创建xml文档对象XmlDocument doc &＃61; new XmlDocument();//创建xml文档描述XmlDeclaration declaration &＃61; doc.CreateXmlDeclaration("1.0", "utf-8", null);//创建根节点XmlNode root &＃61; doc.CreateNode(XmlNodeType.Element, "employee", null);List list &＃61; new List { new students() {name &＃61; "张三", age &＃61; "20" }, new students() {name &＃61; "李四", age &＃61; "88" } }; ;foreach (var item in list){//创建子节点XmlNode xx &＃61; doc.CreateNode(XmlNodeType.Element, "student", null);XmlAttribute dd &＃61; doc.CreateAttribute("name");dd.Value &＃61; item.name;XmlAttribute ds &＃61; doc.CreateAttribute("age");ds.Value &＃61; item.age;xx.Attributes.Append(dd);xx.Attributes.Append(ds);root.AppendChild(xx);}doc.AppendChild(declaration);doc.AppendChild(root);string path &＃61; Server.MapPath(&＃64;"~/List/XMLFile1.xml");doc.Save(path);

//将dataset转换为listDataSet dd &＃61; Method();List list &＃61; new List();foreach (DataRow item in dd.Tables[0].Rows){students stu &＃61; new students();stu.name &＃61; item["name"].ToString();list.Add(stu);}//将list转化为datasetforeach (var item in list){DataSet da &＃61; new DataSet();DataTable dt &＃61; new DataTable();da.Tables.Add(dt);dt.Columns.Add("name");dt.Rows.Add(item.name);}}private DataSet Method(){string sql &＃61; "select * from students";SqlConnection con &＃61; new SqlConnection("server&＃61;.;database&＃61;stuDB;uid&＃61;sa;pwd&＃61;123456");SqlCommand cmd &＃61; new SqlCommand(sql,con);SqlDataAdapter sda &＃61; new SqlDataAdapter(cmd);DataSet ds &＃61; new DataSet();sda.Fill(ds);return ds;}