int[] fileLine = new int[] { 1, 2, 3, 5 };
            ArrayList ReportList = new ArrayList();
            ReportList.Add(fileLine);
        
            foreach (int[] list in ReportList)
            {
                for (int sl = 0; sl < list.Length; sl++)
                {
                    Console.Write(list[sl] + " ");
                }
            }

------解决方案--------------------
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C# code

            int[] fileLine = new int[] { 1, 2, 3, 5 };
            ArrayList ReportList = new ArrayList();
            ReportList.Add(fileLine);
        
            foreach (int[] list in ……