Xml转化为DataTable

 /// <summary>

        /// XML转换为DataTable

        /// </summary>

        /// <param name="fileName">文件路径</param>

        /// <param name="tagName">节点路径</param>

        /// <returns>返回DataTable</returns>

        public static DataTable XmlToDataTable(string fileName, string tagName)

        {

            XmlDocument Xmldoc = new XmlDocument();

            Xmldoc.Load(fileName);

            XmlNodeList xlist = Xmldoc.SelectNodes(tagName);

            DataTable dt = new DataTable();

            DataRow dr;

            for (int i = 0; i < xlist.Count; i++)

            {

                dr = dt.NewRow();

                XmlElement xe = (XmlElement)xlist.Item(i);

                for (int j = 0; j < xe.Attributes.Count; j++)

                {

                    if (!dt.Columns.Contains("@" + xe.Attributes[j].Name))

                    {

                        dt.Columns.Add("@" + xe.Attributes[j].Name);

                    }

                    dr["@" + xe.Attributes[j].Name] = xe.Attributes[j].Value;

                }

                for (int j = 0; j < xe.ChildNodes.Count; j++)

                {

                    if (!dt.Columns.Contains(xe.ChildNodes.Item(j).Name))

                    {

                        dt.Columns.Add(xe.ChildNodes.Item(j).Name);

                    }

                    dr[xe.ChildNodes.Item(j).Name] = xe.ChildNodes.Item(j).InnerText;

                }

                dt.Rows.Add(dr);

            }

            return dt;

        }