888888888

        static void Main(string[] args)
        {


            DataTable dt = new DataTable();
            dt.Columns.Add("A");
            dt.Columns.Add("B");
            dt.Columns.Add("C");

            using (StreamReader sr = new StreamReader("C:\\test.txt"))
            {
                while (sr.Peek() != -1)
                {
                    string[] aryStr = sr.ReadLine().Split(' ');
                    if (aryStr.Length >= 3)
                    {
                        dt.Rows.Add(aryStr[0], aryStr[1], aryStr[2]);
                    }
                }
            }



            foreach (DataRow dr in dt.Rows)
            {
                foreach (DataColumn dc in dt.Columns)
                {
                    Console.Write(dr[dc].ToString() + " ");
                }
                Console.WriteLine();
            }

        }

test

            using (StreamReader sr = new StreamReader("C:\\test.txt"))
            {
                while (sr.Peek() != -1)
                {
                    string[] aryStr = sr.ReadLine().Split(' ');
                    if (aryStr.Length >= 3)
                    {
                        dt.Rows.Add(aryStr[0], aryStr[1], aryStr[2]);
                    }
                }
            }



            foreach (DataRow dr in dt.Rows)
            {
                foreach (DataColumn dc in dt.Columns)
                {
                    Console.Write(dr[dc].ToString() + " ");
                }
                Console.WriteLine();
            }