/// <summary>/// DataTable分頁并取出指定頁碼的數據/// </summary>/// <param name="dtAll">DataTable</param>/// <param name="pageNo">頁碼,注意：從1開始</param>/// <param name="pageSize">每頁條數</param>/// <returns>指定頁碼的DataTable數據</returns>private DataTable getOnePageTable(DataTable dtAll, int pageNo, int pageSize){var totalCount = dtAll.Rows.Count;var totalPage = getTotalPage(totalCount, pageSize);var currentPage = pageNo;currentPage = (currentPage > totalPage ? totalPage : currentPage);//如果PageNo過大，則較正PageNo=PageCountcurrentPage = (currentPage <= 0 ? 1 : currentPage);//如果PageNo<=0，則改為首頁//----克隆表結構到新表var onePageTable = dtAll.Clone();//----取出1頁數據到新表var rowBegin = (currentPage - 1) * pageSize;var rowEnd = currentPage * pageSize;rowEnd = (rowEnd > totalCount ? totalCount : rowEnd);for (var i = rowBegin; i <= rowEnd - 1; i++){var newRow = onePageTable.NewRow();var oldRow = dtAll.Rows[i];foreach (DataColumn column in dtAll.Columns){newRow[column.ColumnName] = oldRow[column.ColumnName];}onePageTable.Rows.Add(newRow);}return onePageTable;}/// <summary>/// 返回分頁后的總頁數/// </summary>/// <param name="totalCount">總記錄條數</param>/// <param name="pageSize">每頁顯示條數</param>/// <returns>總頁數</returns>public int getTotalPage(int totalCount, int pageSize){var totalPage = (totalCount / pageSize) + (totalCount % pageSize > 0 ? 1 : 0);return totalPage;}

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