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;
        }