创建一个新的XML文件

 1         private static XmlElement rootele;
 2         private static XmlElement xmlele;
 3         private static XmlNodeList nodelist;
 4         private static XmlNode xmln;
 5 private static void CreateNewXMLFile()
 6         {
 7             string[,] book_arr = new string[,] {   { "English",  "101" }, 
 8                                                  { "History",  "102" }, 
 9                                                  { "Computer", "103" },
10                                                  { "Algorithm","104" } };
11             xmldoc = new XmlDocument();            
12             xmln = xmldoc.CreateNode(XmlNodeType.XmlDeclaration,"","");
13             xmldoc.AppendChild(xmln);
14             //add root node
15             rootele = xmldoc.CreateElement("","Books","");            
16             xmldoc.AppendChild(rootele);
17             
18             for (int i = 0; i < book_arr.GetLength(0); i++)
19             {
20                 //add node
21                 rootele = xmldoc.CreateElement("book");
22                 //add element
23                 xmlele = xmldoc.CreateElement("name");
24                 xmlele.InnerText = book_arr[i, 0].ToString();
25                 rootele.AppendChild(xmlele);
26                 //add element
27                 xmlele = xmldoc.CreateElement("sales");
28                 xmlele.InnerText = book_arr[i, 1].ToString();
29                 rootele.AppendChild(xmlele);
30 
31                 xmldoc.ChildNodes.Item(1).AppendChild(rootele);
32             }
33             xmldoc.Save(@"C:\Users\v-alzhou\Desktop\Create a new XML file.xml");                                    
34         }