/// <summary>
        /// 匯入資料
        /// </summary>
        public void ImportPackage(IEnumerable <RowData> items, IEnumerable <string> fields)
        {
            DataImportEventArgs args = new DataImportEventArgs();

            foreach (RowData var in items)
            {
                args.Items.Add(var);
            }
            foreach (string var in fields)
            {
                args.ImportFields.Add(var);
            }
            OnDataImport(args);
            if (DataImport != null)
            {
                DataImport.Invoke(this, args);
            }
        }