將DataRow轉換為DataTable

  /// <summary>
        /// DataRow轉換為DataTable
        /// </summary>
        /// <param name="dt"></param>
        /// <param name="strWhere">篩選的條件</param>
        /// <returns></returns>
        public DataTable SreeenDataTable(DataTable dt, string strWhere)
        {
            if (dt.Rows.Count <= 0) return dt;        //當數據為空時返回
            DataTable dtNew = dt.Clone();         //復制數據源的表結構
            DataRow[] dr = dt.Select(strWhere);  //strWhere條件篩選出需要的數據！
            for (int i = 0; i < dr.Length; i++)
            {
                dtNew.Rows.Add(dr[i].ItemArray);  // 將DataRow添加到DataTable中
            }
            return dtNew;
        }