合并两个表中的数据

 /// <summary>
        /// 合并两个表中的数据(要表中的结构一样)
        /// </summary>
        /// <param name="dt1"></param>
        /// <param name="dt2"></param>
        /// <returns></returns>
        public static DataTable TheSameTable(DataTable dt1, DataTable dt2)
        {
            if (dt1.Rows.Count == 0 && dt2.Rows.Count == 0)
            {
                return new DataTable();
            }
            if (dt1.Rows.Count == 0)
            {
                return dt2;
            }
            if (dt2.Rows.Count == 0)
            {
                return dt1;
            }
            dt1.Merge(dt2);
            return dt1;
        }