.NET DataTable

       /// <summary>
       /// 對DataTable進行分頁,起始頁爲1
       /// </summary>
       /// <param name="dt">DataTable</param>
       /// <param name="PageIndex">第幾頁</param>
       /// <param name="PageSize">每頁幾條</param>
       /// <returns></returns>
        public static DataTable GetPagedTable(DataTable dt, int PageIndex, int PageSize)
        {
            if (PageIndex == 0)
                return dt;
            DataTable newdt = dt.Copy();
            newdt.Clear();

            int rowbegin = (PageIndex - 1) * PageSize;
            int rowend = PageIndex * PageSize;

            if (rowbegin >= dt.Rows.Count)
                return newdt;

            if (rowend > dt.Rows.Count)
                rowend = dt.Rows.Count;
            for (int i = rowbegin; i <= rowend - 1; i++)
            {
                DataRow newdr = newdt.NewRow();
                DataRow dr = dt.Rows[i];
                foreach (DataColumn column in dt.Columns)
                {
                    newdr[column.ColumnName] = dr[column.ColumnName];
                }
                newdt.Rows.Add(newdr);
            }
            return newdt;
        }

 

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