C# 讀取xml數據和vaule

C# 讀取xml數據和vaule；

using System.Xml;

            XmlTextReader reader = new XmlTextReader("C://test.xml");
            reader.Read();
            string content;
            while (reader.Read())
            {
                reader.MoveToContent();
                if (reader.NodeType == System.Xml.XmlNodeType.Element && "leftFrontNo" == reader.LocalName)
                {
                    content = reader.ReadString();
                    MessageBox.Show(content);
                }
            }