视频演示:http://u.115.com/file/f24db1fdfa
通过 LINQ 查询,可以轻松地在内存中的数据结构、SQL 数据库、ADO.NET 数据集和 XML 流或文档之间转换数据。下面的示例将内存中的数据结构中的对象转换为 XML 元素。
List<Student> Students = new List<Student>() { new Student { FirstName="Svetlana",LastName="Omelchenko",ID=111,Scores = new List<int>{97,92,81,60}},new Student { FirstName="Claire",LastName="O’Donnell",ID=112,Scores = new List<int>{75,84,91,39}},new Student { FirstName="Sven",LastName="Mortensen",ID=113,Scores = new List<int>{88,94,65,91}},}; // Create the query. var StudentsToXML = new XElement("Root",from student in Students let ScoreString = String.Format("{0},{1},{2},{3}",student.Scores[0],student.Scores[1],student.Scores[2],student.Scores[3]) select new XElement("Student",new XElement("FirstName",student.FirstName),new XElement("LastName",student.LastName),new XElement("Scores",ScoreString) ) ); // Execute the query. Console.WriteLine(StudentsToXML); // Keep the console open in debug mode. Console.WriteLine("Press any key to exit."); Console.ReadKey();
此代码生成下面的 XML 输出:
<Root> <Student> <FirstName>Svetlana</FirstName> <LastName>Omelchenko</LastName> <Scores>97,60</Scores> </Student> <Student> <FirstName>Claire</FirstName> <LastName>O’Donnell</LastName> <Scores>75,39</Scores> </Student> <Student> <FirstName>Sven</FirstName> <LastName>Mortensen</LastName> <Scores>88,91</Scores> </Student> </Root>
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。