XmlNode root = doc.SelectSingleNode(doc.DocumentElement.Name);            DataTable dt = new DataTable();            dt.TableName = "初中成绩";            //dt.Columns.Add(new DataColumn(root.ChildNodes[0].Attributes[0].Name, typeof(string)));            XmlNode node_1_1 = doc.SelectSingleNode(doc.DocumentElement.Name + "/" + doc.DocumentElement.FirstChild.Name + "/" + doc.DocumentElement.FirstChild.FirstChild.Name);            XmlNodeList nodelist_1_1 = node_1_1.ChildNodes;              for (int i = 0; i < 2; i++)            {                    dt.Columns.Add(new DataColumn(node_1_1.ChildNodes[i].Name, typeof(string)));                             }            DataRow dr = dt.NewRow();            foreach (XmlNode xn in nodelist_1_1)            {                foreach (DataColumn column in dt.Columns)                {                    if (xn.LocalName == column.ColumnName)                    {                        dr[column] = xn.InnerText.ToString().Trim();                        dt.Rows.Add(dr);                    }                }            }

 DataTable dt = new DataTable("初中成绩");

                    DataColumn Column = new DataColumn();

                    Column.ColumnName = "name";                   

                    Column.DataType = System.Type.GetType("System.String");

 &nbs