public DataTable GetCsvData(string filePath, string fileName = "Shipping")
        {
            string path = Path.Combine(filePath, fileName + ".csv");
            string connString = @"Driver={Microsoft Text Driver (*.txt; *.csv)};Dbq=" + filePath + ";Extensions=asc,csv,tab,txt;";
            try
            {
                using (OdbcConnection odbcConn = new OdbcConnection(connString))
                {
                    odbcConn.Open();
                    OdbcCommand oleComm = new OdbcCommand();
                    oleComm.Connection = odbcConn;
                    oleComm.CommandText = "select * from [" + fileName + "#csv]";
                    OdbcDataAdapter adapter = new OdbcDataAdapter(oleComm);
                    DataSet ds = new DataSet();
                    adapter.Fill(ds, fileName);
                    return ds.Tables[0];
                    odbcConn.Close();
                }
                if (File.Exists(path))
                {
                    File.Delete(path);
                }
            }
            catch (Exception ex)
            {
                if (File.Exists(path))
                {
                    File.Delete(path);
                }
                throw ex;
            }
        }
但是会发现如果源cvs中的列名存在不同的字符:{}/()/[] 会被转换为（） 所以会出现无法匹配的问题。