CSV Read issue contain Japanese Character

public static DataSet GetCSVDataSet(string pFilePath)
        {
            DataSet ds = new DataSet();
            if (File.Exists(pFilePath))
            {
                string fileName = Path.GetFileName(pFilePath);
                string folder = pFilePath.Replace(fileName, "");

                string connString = string.Format(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=""{0}"";Extended Properties=""text;HDR=Yes;IMEX=1;FMT=Delimited;CHARSET=UNICODE\""", folder);

                OleDbConnection conn = new OleDbConnection(connString); 

                string qry = string.Format("Select [ProductId],[ProductName],[ProductNameKana],"+
                    "[ProductUrl],[Publisher],[PublisherId],[ProductPrice]," +
                    "[ProductSmallImageUrl],[ProductImageUrl],[ProductLargeImageUrl]," +
                    "[ProductThumbnailImageUrl],[ProductDescription]," +
                    "[ScheduleID] from {0}", fileName);  
                       
                try
                {
                    using (OleDbCommand cmd = new OleDbCommand(qry, conn))
                    {
                        cmd.Connection.Open();
                        using (OleDbDataAdapter odda = new OleDbDataAdapter(cmd))
                        {
                            odda.Fill(ds);
                        }
                        cmd.Connection.Close();
                    }
                }
                catch (Exception ex)
                {
                    ErrorLog.WriteLog("XLReader", "GetCSVDataSet", ex.Message, ex.StackTrace, pFilePath);
                }
                finally
                {
                    if (conn != null)
                    {
                        if (conn.State != ConnectionState.Closed)
                        {
                            conn.Close();
                        }
                        conn = null;
                    }
                    ds.Dispose();
                }


            }
            return ds;
        }